Q. 274.8( 4 Votes )

The determinant <

Answer :

We have,


Taking (b – a) common from C1 and C3, we get



Applying C1 C1 – C3, we get



If any two columns (or rows) of a determinant are identical (all corresponding elements are same), then the value of determinant is zero.


Here, C1 and C2 are identical.



Hence, the correct option is (d).

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