Without using a calculator what is: ln e?

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2007-04-21 09:45:31 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2007-04-21 09:48:41 · answer #1 · answered by Anonymous · 0⤊ 0⤋

ln e = ln e^1`= 1.
The ln function and the exponential function are
inverses,so they undo each other.

2007-04-21 13:36:49 · answer #2 · answered by steiner1745 7 · 0⤊ 0⤋

One. The natural log (ln) is defined by INV ln (1) = e. Thus, ln INV ln(1) = ln e = 1 because ln INV ln(x) = x.

2007-04-21 09:56:32 · answer #3 · answered by oldprof 7 · 0⤊ 0⤋

e^x = e = e^1

x = 1

2007-04-21 09:50:01 · answer #4 · answered by sweetwater 7 · 0⤊ 0⤋