True or False : If e^2x+1 = 7, x = 0.8959 ?

3 ⤊

2007-06-07 04:07:40 · 3 answers · asked by Olivia 4 in Science & Mathematics ➔ Mathematics

It's true.

e^2x + 1 = 7
e^2x = 6
2x = ln(6)
x = ln(6) / 2 = 0.8959

If in doubt, work it out.

2007-06-07 04:12:24 · answer #1 · answered by rrabbit 4 · 1⤊ 1⤋

e^2x + 1 = 7
e^2x = 7 - 1 = 6
Take ln of both sides
2x = ln 6
x = (ln 6)/2
x = 1.7917/2 = 0.8959 (True)

2007-06-07 04:13:21 · answer #2 · answered by topsyk 3 · 1⤊ 1⤋

true.
.

2007-06-07 04:09:54 · answer #3 · answered by Robert L 7 · 1⤊ 1⤋