At which point the line \[\frac{x}{a}+\frac{y}{b}=1\], touches the curve \[y=b{{e}^{-x/a}}\] [RPET 1999]

At which point the line \[\frac{x}{a}+\frac{y}{b}=1\], touches the cur

1.	At which point the line \[\frac{x}{a}+\frac{y}{b}=1\], touches the curve \[y=b{{e}^{-x/a}}\] [RPET 1999]
A.	(0, 0)
B.	(0, a)
C.	(0, b)
D.	(b, 0)
Answer» D. (b, 0)

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At which point the line \[\frac{x}{a}+\frac{y}{b}=1\], touches the curve \[y=b{{e}^{-x/a}}\] [RPET 1999]

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