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1. |
The generalized Eigen value problem [K-ω2M]X=0 has a non-zero solution for X. What is the value of natural frequency, ω if K=\(\begin{pmatrix}1&1&1\\1&1&1\\1&1&1\end{pmatrix}\),M=\(\begin{pmatrix}9&9&9\\9&9&9\\9&9&9\end{pmatrix}\)? |
A. | 3 |
B. | 1/9 |
C. | 9 |
D. | 1/3 |
Answer» E. | |