MCQ
If $2^3+1^3=3^x$, then the value of $x$ is
- A$0$
- B$1$
- ✓$2$
- D$3$
✓
Answer
Correct option: C.
$2$
$2^3+1^3=3^x$
$\Rightarrow 8+1=3^x$
$\Rightarrow 9=3 x$
$\Rightarrow 3^2=3^x$
$\Rightarrow x=2$
$\Rightarrow 8+1=3^x$
$\Rightarrow 9=3 x$
$\Rightarrow 3^2=3^x$
$\Rightarrow x=2$
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