Question

fimd the value 27a^3+8

Answer 1

нєуα

нєяє ιѕ тнє αиѕωєя

gινєи :-

27α³ + 8

=> (3α)³ + (2)³

υѕιиg ι∂єитιту

(α)³ + (в)³ = (α + в)(α² + в² - αв)

=> (3α + 2) [ (3α)² + (2)² - (3α)(2) ]

=> (3α + 2) (9α² + 4 - 6α)

нσρє тнιѕ нєℓρѕ.

Answer 2

$\huge\mathbb\purple{HELLO\:DEAR}$

$\huge\boxed{\texttt{\fcolorbox{Red}{aqua} {ANSWER : }}}$

✔ FACTORISATION :-

27a³+8
= (3a) ³+2³
= (3a+2) (9a²-6a+4) [using a³+b³=(a+b) (a²-ab+b²)]



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