Question

(1/4)^3+(3/4)^3+3(1/4)(3/4)(1/4+3/4)

Answer 1

`(43)/(16)`

Explanation:

`((1)/(4))^(3)+((3)/(4))^(3)+3((1)/(4))((3)/(4))((1)/(4)+(3)/(4)) = \\\\(1)/(64)+(27)/(64)+3((3)/(4))((4)/(4)) = \\\\(28)/(64)+3((3)/(4)) = \\\\(28)/(64)+(9)/(4) =\\\\(28)/(64)+(144)/(64) = (172)/(64) = (43)/(16)`

Answer 2

the answer should be 1