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

If `A={:[(0,2),(3,-4)]:}and kA={:[(0,3a),(2b,24)]:}`, then the values 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:
B
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