People who believe their talents can developed through hard work and perseverance have a growth mindset. People who believe that talent are traits they are born with and nothing the do will allow them to acquire or improve on these talents have a fixed mindset.

Differentiate $latex \displaystyle\ y=\frac{{{{x}^{2}}\sqrt{{x+1}}}}{{x-1}}$ with respect to x. Simplify the Numerator (otherwise you need to use both quotient rule for