integration(2)

2011-01-16 3:07 am
∫ log3 x dx
Please detail steps!
更新1:

log3_x 點解=lnx/ln3??

回答 (3)

2011-01-16 3:17 am
✔ 最佳答案
As follows:


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2011-01-15 19:33:12 補充:
呢個其實係對數的特性:
log_a b=log_c b/log_c a
2011-01-16 7:58 am
log3_x 點解=lnx/ln3??
it's logrithm's property,
log_3 x = lnx/ln3 = log_10 x / log_10 3 = log_n x / log_n 3
For lnx/ln3, it just log_e only
2011-01-16 3:46 am
而且不一定 log base 10, 用 ln (natural log) 都可以.


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