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| 1. |
(3r-2k)³+(3r+2k)³ simplify |
| Answer» 3R – 2k)3 +(3r + 2k)3 = [(3r)3 -{3 ×(3r)2 ×(2k)} + {3 ×(3r)×(2k)2 } -(2k)3 ] + [(3r)3 +{3 × (3r)2 ×(2k)} + {3 ×(3r)×(2k)2} +(2k)3 ]please MARK me BRAIN LIST | |