If x = A cos 4t + B sin 4t, then d2x/dt2

Class 12th Mathematics, Question Paper 2023: If x = A cos 4t + B sin 4t, then d2x/dt2

These are the options for the Question: If x = A cos 4t + B sin 4t, then d2x/dt2

(a) х
(b) -х
(c) 16х
(d) -16x

 

The correct answer is –

Therefore, the answer is (d) -16x.