If A = 1 Where A Is A Positive Real Number Other Than 1, Then X = ? - Testpoint

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If a = 1 where a is a positive real number other than 1, then x = ?

-2
2
-1
(D) None of these

Explanation

-1

Correct option is B)

$a^{2 x + 2} = 1$
$\Rightarrow a^{2 x + 2} = a^{0}$
$\Rightarrow 2 x + 2 = 0$
$\Rightarrow x = - 1$

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