Question : If $9\sqrt{x}=\sqrt{12}+\sqrt{147}$, then $x$ =?
Option 1: 5
Option 2: 3
Option 3: 2
Option 4: 4
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Answer (1)
26th Jan, 2024
Correct Answer: 3
Solution :
$9\sqrt{x} = \sqrt{12} + \sqrt{147}$
⇒ $9\sqrt{x} = 2\sqrt{3} + 7\sqrt{3}$
⇒ $9\sqrt{x} = 9\sqrt{3}$
$\therefore x = 3$
Hence, the correct answer is 3.
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