(7+m) cube
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Hey mate here is your answer...
Hope it will help you dear friend
Hope it will help you dear friend
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(7+m)³=(a+b)³ in which a³+b³+3ab(a+b)
7³+m³+21m(7+m)
343+m³+147m+21m² Ans. .
7³+m³+21m(7+m)
343+m³+147m+21m² Ans. .
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