Question: 3. a. b. Solve the system by inverting the coefficient matrix and using Theorem 1.6.2 of the textbook. -x-2y-32 = 0 w+x+4y+4z = 7

3. a. b. Solve the system by inverting the coefficient matrix and

3. a. b. Solve the system by inverting the coefficient matrix and using Theorem 1.6.2 of the textbook. -x-2y-32 = 0 w+x+4y+4z = 7 w+3x+7y+9z = 4 -w-2x-4y - 6z = 6 Determine conditions on the b's, if any, in order to guarantee that the linear system is consistent. x12x2 x3 = b - -4x1+5x2 + 2x3 = b2 -4x1+7x2 + 4x3 = b3

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