The figure shows the graph of y = 1.8^x. Solve the following equations
graphically.
(a) 5(9^x) + 9(5^x) = 0
(b) √2 (3x) - 2(√5)x = 0
http://postimg.org/image/6zukjjmn7/
f4maths
2015-04-26 1:05 am
回答 (2)
2015-04-26 1:25 am
2015-04-26 1:16 am
(b)
係 (√2) (3x) - 2(√5)x = 0?
定係 √[2(3x)] - 2(√5)x = 0?
定係 .... ?
係 (√2) (3x) - 2(√5)x = 0?
定係 √[2(3x)] - 2(√5)x = 0?
定係 .... ?
收錄日期: 2021-04-20 15:32:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150425000051KK00054