Question

Factorise : 27y^3+125z^3

Answer 1

Answer:

(3y+5z)³

Using Identity

(a+b)³ = a³+b³

Answer 2

Answer:

27y^3+125z^3

= By using identity (a+b)^3= a^3 +3a^2b+3ab^2+b^3

=(3y)^3 + 3(3y)^2(5z) + 3(3y)(5z)^2 + (5z)^3

=(3y+5z)^3

=(3y+5z)(3y+5z)(3y+5z)

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