Find the inverse of: 2 1 1 0 1 2 0 2 1 Use it to solve the following system of e

Question

Find the inverse of:       2 1 1 0 1 2 0 2 1 Use it to solve the following system of equations: 2x1+x2+x3=4 x2+2x3=0 2x1+2x2+x3=1 I believe the inverse is what is below but I am notsure how that helps me solve the equations above? Can someoneexplain this to me? -3 1 1 4 0 -4 -2 -2 2 Find the inverse of:       2 1 1 0 1 2 0 2 1 Use it to solve the following system of equations: 2x1+x2+x3=4 x2+2x3=0 2x1+2x2+x3=1 I believe the inverse is what is below but I am notsure how that helps me solve the equations above? Can someoneexplain this to me? -3 1 1 4 0 -4 -2 -2 2 2 1 1 0 1 2 0 2 1

Explanation / Answer

Are you required to do the reduction longhand or can you use your calculator?

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