Section: Engineering Mathematics | Marks: 2
The general solution of 4 3 2 4 3 2 2 2 2 0 d y d y d y dy y dx dx dx dx − + − + = is

- A. 1 2 3 4 cosh( ) sinh( ) x x c e c xe c x c x + + +
- B. 1 2 3 4 x x ix ix c e c e c e c e − − + + +
- C. 1 2 3 4 cos( ) sin( ) x x c e c xe c x c x + + +
- D. 1 2 3 4 x x ix ix c e c xe c e c e − − + + +
Answer: C. 1 2 3 4 cos( ) sin( ) x x c e c xe c x c x + + +