A) \[{{\left[ \frac{x-1}{x} \right]}^{2}}\]
B) \[{{\left[ \frac{x}{x+1} \right]}^{2}}\]
C) \[{{\left[ \frac{x-1}{x+1} \right]}^{2}}\]
D) \[{{\left[ \frac{1}{x} \right]}^{2}}\]
Correct Answer: C
Solution :
[c] \[\frac{{{A}_{1}}+{{A}_{2}}}{{{A}_{1}}-{{A}_{2}}}=x;\frac{{{A}_{2}}}{{{A}_{1}}}=\frac{x-1}{x+1};\,Energy\propto {{A}^{2}}\] \[\Rightarrow {{\left( \frac{x-1}{x+1} \right)}^{2}}\]
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