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## Main Question or Discussion Point

Hello,

How can I determinate the intersection points of these equations:

1-(2/a)x

and

+- Exp(-x)

It's from an exercise on quantum mechanics where I don't know why the gradient of the exponential is -1.

YThanks

How can I determinate the intersection points of these equations:

1-(2/a)x

and

+- Exp(-x)

It's from an exercise on quantum mechanics where I don't know why the gradient of the exponential is -1.

YThanks