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The equation of the tangent to the curve...

The equation of the tangent to the curve `y=1-e^(x/2)` at the point of intersection with Y-axis is A) x+2y=0 B) 2x+y=0 C) x-y=2 D) x+y=2

A

x+2y=0

B

2x+y=0

C

x-y=2

D

x+y=2

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