Question

Factorise 36y2 - 36y + 9

Answer 1

$\huge\fcolorbox{red}{yellow}{Answer:-}$

9(2y -1)²

Step-by-step explanation:

$=>36y² - 36y + 9 \\ => 9(4y² - 4y + 1) </p><p>\\ =>9((2y)² - (2\times2y\times1)+(1)²) \\ =>\fbox\color{red}{(a)² - (2ab) + (b)² = (a - b)²} </p><p>$

=>$\boxed{9(2y -1)²}$

Hope it helped