Question

how to find 9 cube - 4 cube

Answer 1

here is your solution

$(9) {}^{3} - (4) {}^{3} \\ 729 - 64 \\ 665$


hope it helps you

Answer 2

suppose we take 9 as a and 4 as b then the formula of a3 -b3 is (a-b) (a2 + ab+b2 )...then(9 -4) ( 9 square+ 9*4 +4 square.)..= 5*(81+36+16)=5* 133=665....i hope my answer will be help u...thanks..