discuss-forum?question_id=206320-BD-Merit-Freelancing,-BCS,-Bank,-Primary,-Admission,-NTRCA

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1.

A. $\frac{∆ Q}{∆ P} \frac{P}{Q}$
B. $\frac{∆ Q}{∆ P} \frac{P}{Q}$
C. $\frac{∆ Q}{∆ P} \frac{P}{Q}$
D. $\frac{∆ Q}{∆ P} \frac{P}{Q}$

Answer: Option A

Explanation:

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