Answer :

Let us write the given system of linear equation in Matrix form.


A =


For solution to be unique |A| ≠ 0


≠ 0


= 1(k - ( - 2)) - 1(2k - ( - 3)) + 1(4 - 3)


= k + 2 - 2k - 3 + 1


= - k≠ 0.


For every value expect 0, this system has unique solution.


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