Question

${58}^{3}$
$(a - b) ^{3} = {a}^{3} - 3 {a}^{2}b + 3a {b}^{2} - {b}^{2}$

Answer 1

Hope this helps you ...
THANK YOU. ..

Answer 2

(58)cube = (60-2)cube
=(60)cube - 2cube - 3×60×2 (60-2)
=216000-8-360(58)
=216000-8-20880
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