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1. $9^{x + 3} = 27^{x + 1}$

A. $2$
B. $2$
C. $2$
D. $2$

Answer: Option D

Explanation:

9^(x+3)=27^(x+1)

Or, 3^(2x+6)=3^(3x+3)

Or, 2x+6=3x+3

Or, x=3

(ans)

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