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Model Paper 2 — Applied Maths STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceApplied MathsModel Paper 21 Mark
MCQ
The solution of the differential equation $\frac{d x}{x}+\frac{d y}{y}=0$ is:
  • A
    $\frac{1}{x}+\frac{1}{y}= C$
  • B
    $x+y=C$
  • C
    $\log x \log y=C$
  • D
    $x y=C$
✓

Answer

(d) $x y=C$
Explanation: $xy = C$

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