Math, asked by madhurthebest, 7 months ago

please tell now please

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Answers

Answered by educatorvs

0

Answer:

2pqr PLEASE give thanks

Answered by pihu1940

0

Answer:

Since p, q and r in AP

=> q - p = r - q

=> 2q = p + r

Cubing both sides

=> 8q³ = p³ + r³ + 3pr(p + r)

p + r = 2q

=> 8q³ = p³ + r³ + 3pr(2q)

=> 8q³ = p³ + r³ + 6pqr

=> p³ + r³ - 8q³ = -6pqr

hence b is the correct answer

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