Question

factorise 1/8a³+1/125b³​

Answer 1

Answer:

a^3+b^3 is an identity

Step-by-step explanation:

now

(a+b)(a^2+b^2-ab)

(1/2a)^3+(1/5)^3

=( 0.5+0.2)(1/4+1/25-0.1)

(0.7)(0.25+0.04-0.1)

(0.7)(0.19)

=0.133

ans