Maths!!! a question about e^x

2006-10-18 6:10 am
why does (e^x)^a=e^(ax) ??

i want a formal proof and other identities about the function e. thx a lot~

回答 (3)

2006-10-19 12:13 am
是, (e^x)^a=e^(ax)
因為(e^x)^a中的a和x是次方,可以相乘
所以(e^x)^a=e^(ax)
2006-10-18 9:11 am
Law of index

(a^x)^y = a^xy
2006-10-18 6:18 am
let e be 4,x be 2,a be 3,


L.H.S=(4^2)^3=4096

R.H.S=16^3=4096

so (e^x)^a=e^(ax)
參考: me


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