RS Aggarwal Solutions Class 10 Chapter 10 Quadratic Equations 10C

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

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Exercise 10C

Question 1:
The given equation is
This is of the form ax²+bx+c=0, we get

So the given equation has real and equal roots

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Question 2:
The given equation is
This is of the form ax²+bx+c=0, we get

So the given equation has real and equal roots

Question 3:
The given equation is
This is of the form ax²+bx+c=0, we get

So the given equation has real and equal roots

Solving A Quadratic Equation By Completing The Square

Question 4:
The given equation is
This is of the form ax²+bx+c=0, we get

So the given equation has real and equal roots

Question 5:
The given equation is

So the given equation has real and equal roots

Question 6:
The given equation is
This is of the form ax²+bx+c=0, we get

So the given equation has real and equal roots

Question 7:
The given equation is
This is the form of ax²+bx+c=0

Now D≥0
So, the roots of the given equation are real for all real value of p and q.

Question 8:
The given equation is
a = 1, b = a, c = -1

So, the roots of the given equation are real and distinct for all real values of a.

Question 9:
The given equation is
This is of form ax²+bx+c=0, when
a = 1, b = -1, c = 2

So the equation has no real roots

Question 10:
The given equation is
This is of the form ax²+bx+c=0, where a = k, b = 2, c = 1

The given equation will have real and distinct roots if
Now,