Question

If 4P+3q = 4 and pq=2
find 64p^3 +27q^3​

Answer 1

Answer:

by the given information

let a be 4p and b be 3q

so

64p^3 + 27q^3

= (4p+3q)^3-3ab(a+b)

=4^3-24

=40