Which of the following equation(s) is/are linear. - Vidyadip

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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