MTH141 - Lab 9 - Ryerson University Lab 9 MTH 141 1 3.5...

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Ryerson University Lab 9 - MTH 141 1. 3.5 Problem A1(d) For the following matrix, either show that the matrix is not invertible or nd its inverse. 0 0 1 0 1 1 1 1 1 2. 3.5 Problem A2(b) Let B = 1 0 1 2 1 3 1 0 2 . Use B - 1 to nd the solution to the following system. B⃗x = - 1 0 1 3. 4.1 Problem A2(d) Let B = { 1 + x 2 + x 3 , 2 + x + x 3 , - 1 + x + 2 x 2 + x 3 } . Express the polynomial p ( x ) = - 4 - x + 3 x 2 as a linear combination of the polynomials in
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