Question

please do this. find x-1/x

Answer 1

Hello user☺☺

x = 5 - 2 × 6^1/2 ......(1)

So, 1/x = 1/ 5 - 2 × 6^1/2 × 5 + 2×6^1/2/ 5 + 2×6^1/2 = (5 + 2×6^1/2) ........(2)

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

5 - 2×6^1/2 - ( 5 + 2×6^1/2)

-4 × 6^1/2.

Hope it works☺☺