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For a point of inflection of y = f(x), ...

For a point of inflection of `y = f(x)`, which one of the following is correct?

A

`(dy)/(dx)` must be zero.

B

`(d^(2)y)/(dx^(2))` must be zero

C

`(dy)/(dx)` must be non-zero

D

`(d^(2)y)/(dx^(2))` must be non-zero

Text Solution

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The correct Answer is:
A
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