Math problem! Please show solution. thanks?

2016-01-20 4:23 am

回答 (2)

2016-01-20 5:40 am
✔ 最佳答案
ln x + ln y = ln (x y)
ln (x² y²) = ln (x y)² = 2 ln (x y)

(ln x + ln y) / ln (x² y²)
= ln (x y) / [ 2 ln (x y) ]
= 1/2

∴ C. 1/2
2016-01-27 5:15 am
[(In x)+(In y)]/In(x^2 y^2)
=[In(xy)]/2[In(xy)]
=1/2

C


收錄日期: 2021-04-18 14:19:37
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