Question

(p2 - q2r)2 + 2p2q2r​

Answer 1

Answer:

$(p {}^{2} - q {}^{2} r) {}^{2} + 8pqr$

$p {}^{2} (p {}^{2} - q {}^{2}r) - q {}^{2} r(p {}^{2} - q {}^{2} r) + 8pqr$

$p {}^{4} - (qp) {}^{2}r - (qp) {}^{2}r + q {}^{4}r {}^{2}$

$answer = p {}^{4} - 2(pq) {}^{2}r + q {}^{4}r {}^{2}$

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