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use the formula of a+b whole cube. That is,
(a+b)^3=(a)^3-3(a^2)(b)+3(a)(b^2)-(b^3).
{here ^3 means whole cube and ^2 means whole square}. Now you can solve it. If you face any problem, then message me.
(a+b)^3=(a)^3-3(a^2)(b)+3(a)(b^2)-(b^3).
{here ^3 means whole cube and ^2 means whole square}. Now you can solve it. If you face any problem, then message me.
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