recategorized by
85 views
0 votes
0 votes

If the characteristic equation of the differential equation $$\frac{\mathrm{d}^2 y}{\mathrm{dx}^2}+2\alpha \frac{\mathrm{d}y}{\mathrm{d} x}+y= 0$$ has two equal roots, then the value of $\alpha$ are

  1. $\pm 1$
  2. $0,0$
  3. $\pm j$
  4. $\pm 1/2$
recategorized by

Please log in or register to answer this question.

Answer: