A) \[{{y}^{2}}\frac{dy}{dx}={{k}^{2}}-{{y}^{2}}\]
B) \[{{\left( y\frac{dy}{dx} \right)}^{2}}={{k}^{2}}-{{y}^{2}}\]
C) \[y{{\left( \frac{dy}{dx} \right)}^{2}}={{k}^{2}}+{{y}^{2}}\]
D) \[{{\left( y\frac{dy}{dx} \right)}^{2}}={{k}^{2}}+{{y}^{2}}\]
Correct Answer: B
Solution :
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