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Explain solution RD Sharma class 12 chapter 21 Differential Equation exercise Fill in the blank question 4 maths

Answers (1)

Answer:

 x = v y

Hint:

 Substituting the equation

Given:

 \frac{\mathrm{d} x}{\mathrm{d} y}=\frac{x^{2}log\left ( \frac{x}{y} \right )-x^{2}}{xy\, log\left ( \frac{x}{y} \right )}

Solution:

As there are x/y present in equation 3 times. So, it is good to use replacement x=v y.

It will simplify the equation to solve it easily.

∴ The answer is x=v y

Posted by

Gurleen Kaur

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