Question: Let A be a 3 3 matrix and suppose that a1 - 3a2 + 2a3 = 0 (the zero vector) Is A nonsingular? Explain.

Let A be a 3 × 3 matrix and suppose that
a1 - 3a2 + 2a3 = 0 (the zero vector)
Is A nonsingular? Explain.

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