Linear Algebra

For any non-singular $n \times n$ matrix $A$ and non-zero scalar $c$, $(c A)^{-1}$ is equal to:

Options:

• (A) \frac{1}{c} A^{-1}
• (B) c A^{-1}
• (C) \frac{1}{c^n} A^{-1}
• (D) -c A^{-1}