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Let f(x) lt 0 AA x in (-=oo, 0) and f (x...

Let `f(x) lt 0 AA x in (-=oo, 0) and f (x) gt 0 AA x in (0,oo) ` also `f (0)=o,` Again `f'(x) lt 0 AA x in (-oo, -1) and f '(x) gt AA x in (-1,oo)` also `f '(-1)=0` given `lim _(x to oo) f (x)=0 and lim _(x to oo) f (x)=oo` and function is twice differentiable.
If `f'(x) lt 0 AA x in (0,oo)and f'(0)=1` then number of solutions of equatin `f (x)=x ^(2)` is :

A

1

B

2

C

3

D

4

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The correct Answer is:
B
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VK JAISWAL-APPLICATION OF DERIVATIVES -EXERCISE (COMPREHENSION TYPE PROBLEMS)
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  6. Let f(x) lt 0 AA x in (-=oo, 0) and f (x) gt 0 AA x in (0,oo) also f ...

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  10. In the given figure graph of : y =p (x) = x ^(n)+a(1) x ^(n-1) +a(2)...

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  11. In the given figure graph of : y =p (x) = x ^(n)+a(1) x ^(n-1) +a(2)...

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