Question

y = (x^2 + 1)(sechx (ln x))

Answer 1

I need the derivatives pls help

Answer 2

product and chain rules

derivative of sechx is -sechxtanhx

if you know your derivative rules, should be pretty easy from here

Answer 3

The answer is 4, i can't get that

Answer 4

\[y'=(x^2+1)(-sechxtanhx(lnx))(\frac{1}{x})+sechx(lnx)(2x)\]