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The equation of the tangent to the curve \(y=b e^{-x / a}\) at the point where it crosses the \(y\)-axis is

Q1

The equation of the tangent to the curve \(y=b e^{-x / a}\) at the point where it crosses the \(y\)-axis is

a

\(\frac{x}{a}-\frac{y}{b}=1\)

b

\(a x+b y=1\)

c

\( a x-b y=1\)

d

\(\frac{x}{a}+\frac{y}{b}=1\)

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