CBSE Class 9 Answered
Factorisation - Which identity?
Asked by rajat951 | 25 Jul, 2009, 01:09: AM
Expert Answer
Here we will use if a + b + c = 0, then a3 + b3 + c3 = 3abc since (2p - q)+ (q - 5r)+ (5r - 2p) =0
(2p - q)3 + (q - 5r)3 + (5r - 2p)3 = 3(2p-q)(q-5r)(5r-2p)
Answered by | 27 Jul, 2009, 02:46: PM
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