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Find the values of $x$ in each of the following:$ 5^{2 x+3}=1 $
Given:
\( 5^{2 x+3}=1 \)
To do:
We have to find the value of $x$.
Solution:
We know that,
$(a^{m})^{n}=a^{m n}$
$a^{m} \times a^{n}=a^{m+n}$
$a^{m} \div a^{n}=a^{m-n}$
$a^{0}=1$
Therefore,
$5^{2 x+3}=1$
$\Rightarrow 5^{2x+3}=5^{0}$
Comparing both sides, we get,
$2x+3=0$
$\Rightarrow 2x=-3$
$\Rightarrow x=\frac{-3}{2}$
The value of $x$ is $\frac{-3}{2}$.
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