Question

Find the term that must be added to the equation x2−2x=1 to make it into a perfect square.

Answer 1

The perfect square ( x -1 )² = 2

Explanation:

Explanation:-

Given equation x² - 2 x = 1

⇒ x² - 2 x + 1 -1 = 1

⇒ x² - 2x + 1² = 1 +1

⇒ ( x -1 )² = 2