Question

factorise perfect square trinomials 4x2-4x+1

Answer 1

See the photo attached for solution

Answer 2

4x^2 - 4x + 1

4x^2 - 2x - 2x + 1

2x(2x - 1) - 1(2x - 1)

(2x - 1)(2x - 1)

According to (a - b) ^2 = a^2 + b^2 - 2ab

(2x - 1) ^2

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