Question

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

X = -49
x = 51
x= 1+ 5V2
x = 1 - 5V2

Answer 1

Explanation:

(x - 1)² = 50

Either x - 1 = +√50 or x - 1 = -√50.

Hence, x = +/-√50 + 1 = +/-(5√2) + 1.