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A cure is represented parametrically by ...

A cure is represented parametrically by the equation `x=f(t)=a^(In(b^t)) and y=g(t)=b^(-In(a^t))a,b gt0 and a = ne 1, b ne 1 ` where ` t in R`
Which of the following is not a correct expression for `(dy)/(dx)` ?

A

`(-1)/(f(t))^2`

B

`-(g(t))^2`

C

`(-g(t))/(f(t))`

D

`(-f(t))/(g(t))`

Text Solution

Verified by Experts

The correct Answer is:
D
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