Question

найдите производную
у=√х (1+х^2)

Answer 1

$y= \sqrt{x} (1+x^2)\\y'=( \sqrt{x} )'(1+x^2)+ \sqrt{x} (1+x^2)'\\y'= \frac{1+x^2}{2 \sqrt{x} } +2x \sqrt{x}$