If `f(x)=2x+5` and `g(x)=x^2+1` be two real functions, then describe `f^2dot` Also, show that `fof!=f^2` .

Explanation

` f^{2}(x)=f(x) x f(x)`
`
=(2 x+5)(2 x+5) `
`
=(2 x+5)^{2}`
`
=4 x^{2}+20 x+25`
`