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If A = [x 0; 1 1] and B = [4 0; -1 1], then value of x for which A² = B is :
If [x + y 2; 5 xy] = [6 2; 5 8], then the value of (24/x + 24/y) is :
If [1 1 1; 0 1 1; 0 0 1][x; y; z] = [6; 3; 2], then the value of (2x + y − z) is :
In the matrix equation [x + y + z; x + z; y + 2z] = [3; 2; −1], the value of z is :
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