2 4 4 x+1 2xr+i 3x +1 the value ofx (e z) for which the determinant ofmatrix 2x 4x+3 6x+3 1s zero, 1s 6x+3 is zero, is 2. 4.x+1 6x+4 8x+4 4 10 let a= and b= [3

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