Pleeese answer.
Factorise: (p-q)³+(q-r)³+(r-p)³
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SINCE A+B+C HERE IS ZERO THEREFORE THE ANSWER WILL BE 3 ABC OR 3(P-Q)(Q-R)(R-P)
Anonymous:
That's what
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As A+B+C =O ,Then answer is 3×(P-Q)×(Q-R)×(R-P)
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