Find the product os (p+q+r)×pqr
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Answer:
Step-by-step explanation:
pq×pqr×r
=(p×q)×(p×q×r)×r
=(p×p)×(q×q)×(r×r)
=p
2
×q
2
×r
2
=p
2
q
2
r
2
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