Class 12 Math Algebra Determinants
If then exists if 
(a)
(b)
(c)
(d)
None of these
Correct answer: (d) 
Solution: We have
 
expanding along

we know that exists , if is non-singular matrix i.e.



So exists if and only is

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Similar topics
determinants
matrices
binomial theorem
complex numbers and quadratic equations
sequences and series
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Connecting you to a tutor in 60 seconds.
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determinants
matrices
binomial theorem
complex numbers and quadratic equations
sequences and series