Factorize : `p^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3` – InterviewSolution

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1.	Factorize : `p^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3`
Answer» `p^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3` after factorization `3(p(q-r)q(r-p)r(p-q))` `2pqr(q-r)(r-p)(p-q)`.

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