RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B

RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B

These Solutions are part of RS Aggarwal Solutions Class 10. Here we have given RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B

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RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B a1

Exercise 10B

Question 1:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q1
Comparing it with ax2+bx+c=0, we get
a = 2, b = -7 and c = 6
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 1.1

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Question 2:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q2
Comparing it with ax2+bx+c=0, we get
a = 3, b = -2, c = 8
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 2.1

Question 3:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 3.1
Comparing it with ax2+bx+c=0, we get
a = 2, b = -5
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 3.2

Question 4:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 4.1
Comparing it with ax2+bx+c=0,we get
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 4.2

Question 5:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 5.1

Question 6:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 6.1

Question 7:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 7.1
So the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 7.2
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 7.3 are the roots of the given equation.

Question 8:
The given equation is
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q8
a = 2, b = -9, c = 7
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 8.1
Hence, \(\frac { 7 }{ 2 }        \) and 1 are the roots of the given equation.

Question 9:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q9
Comparing it with ax2+bx+c=0, we get
a = 2, b = 1, c = -6
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 9.1
So, the given equation has real root, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 9.2
Hence, \(\frac { 3 }{ 2 }        \) and -2 are the roots of the given equation.

Question 10:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q10
Comparing it with ax2+bx+c=0, we get
a = 1, b = -4, c = -1
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 10.1
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 10.2
Hence, \(2+\sqrt { 5 } \) and  \(2-\sqrt { 5 } \) are the roots of the equation.

Question 11:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q11
Comparing it with ax2+bx+c=0, we get
a = 1, b = -6, c = 4
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 11.1
Hence, the given equation has real roots given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 11.2
Hence, \(3+\sqrt { 5 } \) and  \(3-\sqrt { 5 } \) are the roots of given equation.

Question 12:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q12
Comparing it with ax2+bx+c=0
a =1, b = -7, c = -5
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 12.1
Since, 69 > 0
So, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 12.2

Question 13:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations Q13
Comparing it with ax2+bx+c=0, we get
a = 5, b = -19, c = 17
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 13.1
21>0
So, the given equation has real roots given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 13.2

Question 14:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 14.1
Comparing it with ax2+bx+c=0, we get
a = 3, b = -32, c = 12
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 14.2
So, the given equation has real roots given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 14.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 14.4are the roots of the given equation.
Question 15:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 15.1
Comparing it with ax2+bx+c=0, we get
a = 25, b = 30, c = 7
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 15.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 15.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 15.4 are the roots of the given equation.

Question 16:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 16.1
Comparing it with ax2+bx+c=0, we get
a = 15, b = -1, c = -28
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 16.2
Hence the given equation has real roots, we get
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 16.3

Question 17:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 17.1
Comparing it with ax2+bx+c=0, we get
a = 3, b = 11, c = -4
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 17.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 17.3

Question 18:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 18.1
Comparing it with ax2+bx+c=0, we get
a = 16, b = -24, c = -1
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 18.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 18.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 18.4 are the roots of the given equation.

Question 19:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 19.1
Comparing it with ax2+bx+c=0, we get
a = 3, b = 2√5 , c = -5
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 19.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 19.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 19.4 are the roots of given equation.

Question 20:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 20.1
Comparing it with ax2+bx+c=0, we get
a = 2, b = -2√6, c = 3
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 20.2
Hence the given equation has real roots given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 20.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 20.4 are the roots of the given equation.

Question 21:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 21.1
Comparing it with ax2+bx+c=0, we get
a = √3, b = 10, c = -8√3
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 21.2
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 21.3 are the roots of the given equation.

Question 22:
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 22.1
Comparing it with ax2+bx+c=0
a = 9, b = 0, c = -4
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 22.2
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 22.3 are the roots of the given equation.

Question 23:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 23.1
Comparing it with Ax2+Bx+C=0, we get
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 23.2
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 23.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 23.4 are the roots of the given equation.

Question 24:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 24.1
Comparing it with ax2+bx+c=0
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 24.2

Question 25:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 25.1
Comparing it with Ax2+Bx+C=0
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 25.2
Hence, (a +b) and (a – b) are the roots of the given equation.

Question 26:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 26.1
Comparing it with Ax2+Bx+C=0
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 26.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 26.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 26.4 are the roots of the given equation.

Question 27:
The given equation is RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 27.1
Comparing it with Ax2+Bx+C=0
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 27.2
Hence, the given equation has real roots, given by
RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 27.3
Hence, RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B 27.4 are the roots of given equation.

Hope given RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10B are helpful to complete your math homework.

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