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If the area by y=x^2+2x-3 and the line y...

If the area by `y=x^2+2x-3` and the line `y=k x+1` is the least, find `k`.

A

`k=1`

B

`k=2`

C

`k=3`

D

`k=4`

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The correct Answer is:
B
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