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if the system of equations 2x-y-z=2, x-2y+z=-4, x+y+Az=4 has no solution then A equals to.....

if the system of equations 2x-y-z=2, x-2y+z=-4, x+y+Az=4 has no solution then A equals to.....

Grade:11

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
5 years ago
The determinant( value of coefficient matrix) has to be zero . Put it equal to zero and you will get the answer

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