Question

Rewrite sqrt(2+sqrt(2)) in fractional exponents.

Answer 1

I am epic failing at this as (2)^(1/2)+2^(1/4) is not an equivalent expression.

Answer 2

(2+(2)^(1/2))^(1/2)

Answer 3

1/4 as the exponent would be the fourth root
and root(a+b) is not root(a) + root(b)