Question

The second order differential equation is

• A.
• B. $y ^ { \prime } y ^ { \prime \prime } + y = \sin x$
• C. $y ^ { \prime \prime \prime } + y ^ { \prime \prime } + y = 0$
• D. $y ^ { \prime } = y$

Answer 1

Answer: (B)

$y ^ { \prime } y ^ { \prime \prime } + y = \sin x$

Answer 2

The order of the d.ifferential equation is order of highest derivatives in the differential equation.