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For what value of k, does the following system of equations have a solution?x+y+z=1, x+2y+4z=k, x+4y+10z=k^2
The system of linear equations have a solution means either it can have uniques soln or infinite solnIf we go according to cramer’s rule,here D=0So solution can not be unique it can be infinite onlyHence D1=D2=D3 =0 will be condition. Now solve for this conditions and find values of kThat’s it!
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