Find the value of using the short-cut method:
Question:
Find the value of using the short-cut method:
(84)3
Solution:
$(84)^{3}$
Here, $a=8$ and $b=4$
Using the formula $a^{3}+3 a^{2} b+3 a b^{2}+b^{3}$.
$\therefore(84)^{3}=592704$