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The tangent to the curve y = e ^(kx) at ...

The tangent to the curve `y = e ^(kx)` at a point (0,1) meets the x-axis at (a,0) where `a in [-2,-1],` then k `in:`

A

`[-1//2,0]`

B

`[-1,-1//2]`

C

`[0,1]`

D

`[1//2,1]`

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The correct Answer is:
D
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