Question

Factorise 64 a3 - 343 b3​

Answer 1

Answer:

Here,

64a^3- 343b^3

=(4a)^3 -(7b)^3

=(4a-7b){(4a)^2+28ab+(7b)^2}

=(4a-7b)(16a^2+28ab+49b^2)