Solve the following exponential equation.
5^x+1 + 5^x - 5^x-1=29
F.4 Maths-Exponential Function
2009-11-08 11:26 pm
回答 (1)
2009-11-08 11:32 pm
✔ 最佳答案
5^x+1 + 5^x - 5^x-1=29 ( 5^(x-1) ) ( 5^2 + 5 - 1) = 29
( 5^(x-1) ) (29) = 29
5^(x-1) = 1
5^(x-1) = 5^0
x - 1 = 0
x = 1
收錄日期: 2021-04-21 22:05:58
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