Question

calculate (216)³- (215)³​

Answer 1

Answer:

heya mate ☺

$(216) ^{3} - (215)^{ 3} \\ = 10077696 - 9938375 \\ = 139321$

hope it helps u ✌

Gummie.... hAvE a niCe dAy ^.^

Answer 2

★Given :

calculate (216)³- (215)³

★ Solution :

${216}^{3} - {215}^{3} \\ \\ = ( {216 - 215})^{3} + 3 \times 216 \times 215(216 - 215) \\ \\ = {1}^{3} + 139320 \times 1 \\ \\ = 139321$

★ Explanation :

Formula used here :

we know that,

$(a - b)^{3} = {a}^{3} - {b}^{3} - 3ab(a - b) \\ \\ so \: \: \: {a}^{3} - {b}^{3} = {(a - b)}^{3} + 3ab(a - b)$