factorise 64a^3-b^3
Answers
Answered by
20
(x^3 - y^3) = (x + y)(x^2 - x*y + y^2)
(64a^3 - b^3)
= (4a)^3 - (b)^3
= (4a + b)((4a)^2 - (4*a)*b + b^2)
= (4a + b)(16a^2 - 4*a*b + b^2)
(64a^3 - b^3)
= (4a)^3 - (b)^3
= (4a + b)((4a)^2 - (4*a)*b + b^2)
= (4a + b)(16a^2 - 4*a*b + b^2)
Similar questions