(3x +7y ) whole cube
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Posted by Gargi Makkar 7 months, 4 weeks ago
- 2 answers
Ritika Burnwal 7 months, 4 weeks ago
(3x+7y)³ = (3x)³+(7y)³+3 × 3x × 7y(3x+7y)
=27x³+343y³+63xy(3x+7y)
=27x³+343y³+189x²+441xy². Ans.
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Harshal Patil 7 months, 4 weeks ago
1Thank You