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Let f:[1, 3] rarr RR be a continuous fu...

Let `f:[1, 3] rarr RR` be a continuous function that if differentiable in (1, 3) an `f'(x) = |f(x)|^(2) + 4` for all `x in (1, 3)`. Then,

A

`f(3) - f(1) = 5` is ture

B

`f(3) - f(1) = 5` is false

C

`f(3) - f(1) = 7` is false

D

`f(3) - f(1) lt 0` only at one point of (1, 3)

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2019-MULTIPLE CHOICE QUESTIONS
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