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If A= [[0,2],[3,-4]], k A= [[0,3a],[2b,2...

If `A= [[0,2],[3,-4]], k A= [[0,3a],[2b,24]]` then the value of `k, a, b` are respectively

A

`-6,-12,-18`

B

`-6,4,9`

C

`-6,-4,-9`

D

`-6,12,18`

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The correct Answer is:
C
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HIMALAYA PUBLICATION-MATRICES AND DETERMINANTS-QUESTION BANK
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  10. If A is a 3xx3 nonsingular matrix and if |A|=3, then |(2A)^(-1)|=

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