Question

If x=2-root 5 divided by 2+root 5

Answer 1

Step-by-step explanation:

by rationalising the denominator

x=2-√5/2+√5*2-√5/2-√5

(2-√5)^2/2^2-√5^2

4+5-4√5/4-5

-9-4√5

is answer