Q. 95.0( 1 Vote )

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Answer :

Given:


, and


Now


[a b c] represents the determinant as shown



[a b c] = 2(4 – 1) – 1(-2 – 3) + 3(-1 – 6)


[a b c] = 6 + 5 – 21


[a b c] = -10


Hence


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