Question

(e) (x + 1)³ (x - 3)³ what is derivative of it​

Answer 1

Answer:

F(x)=(x+1)³(x-3)³

For,maximum and minimum  

We will find df/dx and then equate to zero.

If df/dx>o then f is strictly increasing.

If df/dx<0 then strictly decreasing.

And then again proceed for second derivative and see it is negative or positive.

If it is positive then f will be minimum

And if negative then f maximum

Look at attachment.

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