Question

Given (x – 1)2 = 50, select the values of x.

Answer 1

`x= 1 +5\sqrt 2,~~ x=1-5\sqrt 2`

Explanation:

`~~~~~~(x-1)^2 = 50\\\\\implies x -1 = \pm√(50)\\\\\implies x = \pm√(25 * 2) +1\\\\\implies x= 1 \pm 5\sqrt 2`