Question

Let f(x)=x^−2sec(x/2) . Find f(x)`=

Answer 1

ick
take the log
simplify
take the derivative
multiply by the original function

Answer 2

i got -2xsecxtanx(x/2)

Answer 3

\[\large f(x)=x^{-2\sec\left(\frac{x}{2}\right)}?\]

Answer 4

No its \[ f(x)=x^{-2}Sec(2/X)\]