Question

Factorise using identity 4y^2 - 12yz+9z^2​

Answer 1

Step-by-step explanation:

Identity used :

$\bold{ ({y}^{2} + {z}^{2}) = {y}^{2} + 2yz + {z}^{2} }$

$\implies \: {(2y)}^{2} - 2.2y.3z + {(3z)}^{2}$

so we got :

y = 2

z = 3

${ \pink{ \bold{ \boxed{answer = (2y + 3z) {}^{2} }}}}$