(7p²q⁹r⁵)² (4pqr)³ /(14p⁶q¹⁰r⁴)²
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Answer:
(7p^2q^9r^5)^2(4pqr)^3/(14p^6q^10r^4)^2
=49p^4q^18r^10×64p^3q^3r^3/14×14p^12q^20r^8
=16p^(4+3-12)q^(18+3-20)r^(10+3-8)
=16p^-5q^1r^5
=16qr^5/p^5
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