Question

factorise-4y^2-4y+1. please solve it ..

Answer 1

$\sf \purple{ {Question : 4y}^{2} - 4y + 1} \\ \sf{ { 4y}^{2} - 2y - 2y + 1} \\ \sf{ 2y(2y - 1) - 1(2y - 1)} \\ \sf\pink{( 2y - 1)(2y - 1)Answer}</p><p>$

Answer 2

Answer:

[2y+1]^2

Step-by-step explanation:

4y^2-4y+1                                { [a-b]^2= a2-2ab+b2}

=(2y)^2 - 2 x 2y x 1 +1                       (a=2y) and (b=1)

= (2y-1)^2