A) 2
B) 4
C) 6
D) 10
Correct Answer: D
Solution :
(d) \[\sqrt{3x}={{({{3}^{x}})}^{1/2}}\Rightarrow {{3}^{\frac{x}{2}}}=243\] (but \[243={{3}^{5}}\]) \[\therefore \]\[{{3}^{x/2}}={{3}^{5}}\Rightarrow \frac{x}{2}=5\Rightarrow x=10\]You need to login to perform this action.
You will be redirected in
3 sec