Question

Factorise 27 a cube + 64 b cube

Answer 1

Answer:

( 3a+4b) (9a^2+16b^2-12ab)

Step-by-step explanation:

27 a^3 + 64b^3

is in the form of x^3 +y^3

(3a)^3+(4b)^3

x^3+y^3= (x+y)(x^2+y^2-xy)

so (3a+4b)(9a^2+16b^2 - 12ab)= 27a^3+64b^3

Answer 2

Step-by-step explanation:

here's your answer

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