\(\frac{\sqrt{9y^2 N^2 - 2m}}{3}\)
\(\frac{\sqrt{9y^2 N^2 - 4m}}{2}\)
\(\frac{\sqrt{9y^2 N^2 - 3m}}{2}\)
\(\frac{\sqrt{9y^2 N - 3m}}{2}\)
Correct answer is B
y = \(\frac{(2\sqrt{x^2 + m})}{3N}\)
3yN = 2(\(\sqrt{x^2 + m})\)
\(\frac{3yN}{2} = \sqrt{x^2 + m}\)
(\(\frac{3yN}{2})^2 = ( \sqrt{x^2 + m})\)
\(\sqrt{\frac{9y^2N^2}{4} - \frac{m}{1}}\)
x = \(\frac{\sqrt{9Y^2N^2 - 4m}}{4}\)
x = \(\frac{\sqrt{9y^2N^2 - 4m}}{2}\)
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