Question

How do you solve the inequality `(x-1)^2 > 4`?

Answer 1

`x>3 or x< -1`

Explanation:

`(x-1)^2>4`
Then for positive value of the root, `x-1 > 2`
Implies x>3
For negative value of the root, inequality changes sign, so
`x-1 < -2`

Then either, `x > 3 or x < -1`