''LOGAR-itma''(5 soru)

soru1
https://img225.imageshack.us/img225/...at03112011.jpg
soru2
https://img225.imageshack.us/img225/...t03112011m.jpg
soru3
https://img407.imageshack.us/img407/...at03112011.jpg
soru4
https://img827.imageshack.us/img827/...at03112011.jpg
soru5
https://img85.imageshack.us/img85/3819/mat03112011.jpg

c2

lnx-lny=2

ln(x/y)=2

x/y=e²...

logx-logy=log(x/y)=loge²=2.loge
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https://img811.imageshack.us/img811/...at03112011.jpg

C-2)

log_ex-log_ey=2 verilmiş

log_e

x

y

=2

e²=x/y bulunur.

logx-logy=log(x/y) olduğundan loge²=2loge bulunur.

C-4)


ln(x-2)-ln(x+2)=1

log_e(x-2)/x+2)=1

e=(x-2)/(x+2)

x=(-2-2e)/(e-1) bulunur.

https://img252.imageshack.us/img252/...t03112011a.gif
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https://img543.imageshack.us/img543/...at03112011.gif
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https://img513.imageshack.us/img513/...at03112011.gif

https://img535.imageshack.us/img535/...t03112011m.gif

ayhaneva, duygu95, LoDoS emeğiniz için teşekkürler.