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1. |
Given A=\(\begin{bmatrix}2 & -0.1 \\0 & 3 \\\end{bmatrix} A^{-1} = \begin{bmatrix}1/2 & a \\0 & b \\\end{bmatrix}\) then find a + b. |
A. | \(\frac{6}{20}\) |
B. | \(\frac{7}{20}\) |
C. | \(\frac{8}{20}\) |
D. | \(\frac{5}{20}\) |
Answer» C. \(\frac{8}{20}\) | |