Finding the limit: finding the power of LIM (1 + 3tan & sup2; x) - cot & sup2; X when x → 0

Finding the limit: finding the power of LIM (1 + 3tan & sup2; x) - cot & sup2; X when x → 0


x→0,lim[(1+3tan²x)^1/3tan²x]^3tan²x*cot²x
=e^3