P^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3

1.	P^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3
Answer» -STEP explanation:a + B + c = P(q - r) + q(r - p) + r(p - q). = PQ - PR + qr - qp + rp - rq. = 0. We know that when a + b + c = 0, then a³ + b³ + c³ = 3abc. ⇒ 3(pq ...

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P^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3​

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P^3(q-r)^3+q^3(r-p)^3+r^3(p-q)^3