Question

Express 4 x square - 4 x + 1 as a square of binomial

Answer 1

Answer:

(2x-1)²

Step-by-step explanation:

4x²-4x+1

=(2x)² - 2×2x×1 + (1)²

=(2x-1)²                                    [By identity a²-2ab+b²=(a-b)²]

Answer 2

4x^2-4x+1

is a perfect square of

( 2x-1)^2

so your ans is (2x-1)^2