Question

ifx+2^1/2=1 than find the value of(x-1/x)^2

Answer 1

√x+2 = 1

squaring both sides :-

(√x+2)² = 1² ⇒ x + 2 = 1 ⇒ x = 1-2 = -1

(x-1/x)² = (-1-1/-1)² = (-2/-1)² = 2² = 4

Answer 2

here is your answer .