Questions
The system of linear equations has a unique solution if
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a
k≠0
b
−1< k<1
c
−2 < k<2
d
k=0
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Correct option is A
Augmented matrix is 111221−1332k4R2−2R10112 R3−3R10−1−3−10−1k−3−2 R3−R211120−1−3−100k−1∴ Given system of equations has a unique solution ⇒k≠0Similar Questions
The number of solutions of
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