1.

8x+1 = 1 then x = ………………….A) 1 B) – 1 C) – 2 D) 3

Answer»

Correct option is (B) –1

\(8^{x+1}\) = 1 = \(8^0\)

\(\Rightarrow\) x+1 = 0

\(\Rightarrow\) x = -1

Correct option is  B) – 1



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