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1. |
Find the (L^{-1} ( frac{1}{(s^2+4)(s^2+9)}) ). |
A. | ( frac{1}{5} left ( frac{sin u2061(2t)}{2}- frac{sin u2061(t)}{3} right ) ) |
B. | ( frac{1}{5} left ( frac{sin u2061(2t)}{2}+ frac{sin u2061(3t)}{3} right ) ) |
C. | ( frac{1}{5} left ( frac{sin u2061(t)}{2}- frac{sin u2061(3t)}{3} right ) ) |
D. | ( frac{1}{5} left ( frac{sin u2061(2t)}{2}- frac{sin u2061(3t)}{3} right ) ) |
Answer» E. | |