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CBSE Class 9 Answered

If p = 4 - q, prove that p3 + q3 + 12pq = 64.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

We have p = 4 - q

Or, p + q - 4 =0

p3 + q3 + (-4)3 = 3 p q (-4)

P3 + q3 + 12pq = 64.

Answered by | 04 Jun, 2014, 03:23: PM
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