If A=[(0,2),(3,-4)] and kA =[(0,3 a),(2b...

If `A=[(0,2),(3,-4)] and kA =[(0,3 a),(2b,24)]`, then the values of k, a and b respectively are:

A

`-6, -12, -18`

B

`-6, -4, -9`

C

`-6, 5, 9`

D

`-6, 12, 18`

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The correct Answer is:

B

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