GO Electrical
0 votes

The solution for the differential equation $\frac{d^2x}{dt^2}=-9x$

with initial conditions $x(0)=1$ and $\frac{dx}{dt}|_{t=0}=1$ , is

  1. $t^2+t+1$
  2. $sin3t+\frac{1}{3}cos3t+\frac{2}{3}$
  3. $\frac{1}{3}sin3t+cos3t$
  4. $cos3t$+$t$
in Differential Equations by (9.2k points)
retagged by

Please log in or register to answer this question.

Answer:
Welcome to GATE Overflow, Electrical, where you can ask questions and receive answers from other members of the community.

847 questions
37 answers
10 comments
25,971 users