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9. differential equations — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMaths9. differential equations1 Mark
MCQ
Which of the following equation(s) is/are linear.
  • A
    $\frac{{dy}}{{dx}} \, + \, \frac{y}{x}= \ln x$
  • B
    $\frac{{{d^2}y}}{{d{x^2}}} = \cos x$
  • C
    $dx + dy = 0$
  • ✓
    $(B)$ and $(C)$ both
✓

Answer

Correct option: D.
$(B)$ and $(C)$ both
d

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