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The equation of the tangent to the curve...

The equation of the tangent to the curve `y=b e^(-x//a)` at the point where it crosses the y-axis is `x/a-y/b=1` (b) `a x+b y=1` `a x-b y=1` (d) `x/a+y/b=1`

A

ax+by=1

B

ax-by=1

C

`x/a-y/b=1`

D

`x/a+y/b=1`

Text Solution

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The correct Answer is:
D
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