Question

The number of quadratic equations having real roots and which do not change by squaring their roots? (a)4 (b)3 (c)2 (d)1

Answer 1

If y = (x-1)², then root is x=1, and 1² = 1
Also if y = x², then root is x=0 and 0² = 0
So there's two.

Answer 2

thanks...

Answer 3

thnk you soo much dear !!!!!

Answer 4

@vishal kothari - r u an indian ??