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For the system of linear equations: x - 2y = 1,x - y + kz = - 2,ky + 4z = 6,k \in R, consider the following statements : (A) The system has unique solution if k \ne 2,k \ne - 2. (B) The system has unique solution if k = -2(C) The system has unique solution if k = 2 (D) The system has no solutio... | Watch the step-by-step video solution for this NIMCET PYQ.