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Show that the line d/a+y/b=1 touches the...

Show that the line `d/a+y/b=1` touches the curve `y=b e^(-x/a)` at the point where it crosses the y-axis.

A

`(-a ,2b)`

B

`((a)/(2),(b)/(2))`

C

`(a,(b)/(e))`

D

`(0,b)`

Text Solution

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The correct Answer is:
D
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