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1. $8^{2 x + 3} = 2^{3 x + 6}$

Answer: Option B

Explanation:

8^{2 x + 3} = 2^{3 x + 6} \Rightarrow {(2^{3})}^{2 x + 3} = 2^{3 x + 6} \Rightarrow 6 x + 9 = 3 x + 6 \Rightarrow 6 x - 3 x = 6 - 9 \Rightarrow 3 x = - 3 \Rightarrow x = - 1 a n s

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