Correct option :(B)
According to ques,
\[y~=\text{ }A\text{ }cos\text{ }ax~+\text{ }B\text{ }sin\text{ }ax\]
Differentiating with respect to x,
Correct option :(B)
According to ques,
\[y~=\text{ }A\text{ }cos\text{ }ax~+\text{ }B\text{ }sin\text{ }ax\]
Differentiating with respect to x,