Solve this following

Question:

If $\mathrm{A}$ is an invertible square matrix and $\mathrm{k}$ is a non-negative real number then $(\mathrm{KA})^{-1}=$ ?

A. $\mathrm{K} \cdot \mathrm{A}^{-1}$

B. $\frac{1}{k} \cdot A^{-1}$

c. $-\mathrm{k} \cdot \mathrm{A}^{-1}$

D. None of these

Solution:

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