Question

Calculus 1 Help.

Use analytic methods to find the local extrema

of (1/x^2) .

^My calc teacher is new and really didn't explain this very well.

2. How would I solve for x in a problem with a Cubic expression?

I.E 1/x^3
X^3+x^2+x+1 etc.

Answer 1

\[1x ^{-2}\]
take derivative of this and solve for x