Question

Q10 using identity no vii

Answer 1

Answer:

$\boxed{Your\:Solution}$

Step-by-step explanation:

$=(x)^{3} +(2y)^{3} +3\:X x^2 X\:2y + 3\:X\:x\:X\:2y^2$

$=(x+2y)^{3} [a^{3} +b^{3} +3a^{2} b+3ab^{2} =a+b^{2} ]$

$=(x+2y)(x+2y)(x+2y)$

∴   $x^{3} +8y^{3} +6x^{2} y+12x^{2} =(x+2y)(x+2y)(x+2y)$

$\boxed{Hope\:it\:Helps}$