BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

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1. $9^{x} + 9^{x} + 9^{x} =$

A. $9^{3 x}$
B. $9^{3 x}$
C. $9^{3 x}$
D. $9^{3 x}$

Answer: Option B

Explanation:

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