Questions
The system of linear equations has a unique solution, If
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a
k≠0
b
−1
c
−2
d
k=0
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Correct option is A
Δ=11121-132k≠0c2→c2-c1, c3→c3-c1⇒1002-1-33-1k-3≠0⇒(k-3)+3≠0⇒k≠0Similar Questions
The number of matrices whose entries are either and for which the system has exactly two distinct solutions, is
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