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Question

Find nature of solution for given system of equations
2x+y+z=3; x+2y+z=4; 3x+z=2

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Solution

D=211121301D=2(2)1(13)+1(6)D=4+26=0D1=311421201D1=3(2)1(42)+1(4)D1=624=0D2=211121301D2==2(2)3(13)+1(2+2)4+610=0D=D1=D2=0
hence system has infinite number of solution.

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