Question: Is this correct? 2. Let A be the coefficient matrix for a homogeneous system of 16 equations in 20 unknown variables. If A is known

Is this correct?

2. Let A be the coefficient matrix for a homogeneous system of 16 equations in 20 unknown variables. If A is known to have rank 12, how many parameters (free variables) are there in the general solution? A. Q C. 8 D. 12 E. 16 F. 20 16 12

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