1.

यदि समीकरण निकाय `[(1,2,4),(2,1,2),(1,2,alpha-4)][(x),(y),(z)]=[(6),(4),(alpha)]` का अद्वितीय हल विद्यमान है तो-A. `alpha in R`B. `alpha in Z`C. `alpha=8`D. `alpha ne 8`

Answer» Correct Answer - C


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