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If the function y=f(x) is represented as...

If the function `y=f(x)` is represented as `x=varphi(t)=t^5-5t^3-20 t+7` `y=psi(t)=4t^3-3t^2-18 t+3(|t|<2),` then find the maximum and minimum values of `y=f(x)dot`

A

`y_("max") = 12`

B

`y_("max") = 14`

C

`y_("min") = -67//4`

D

`y_("min") = -69//4`

Text Solution

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The correct Answer is:
B, D
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