logarytm
zbn137: Obliczyć
2xlog2/3 x = 4√32/3
7 lis 13:33
Eta:
x>0 , log2/3x=a ⇒ x=(2/3)a 4√32/3= 24√2/3 =2* (2/3)1/4
[(2/3)a]a= (2/3)1/4⇒ a2=1/4 ⇒ a=1/2 v a= −1/2
to log2/3x=1/2 v log2/3x= −1/2
x= √2/√3 =√6/3 v x= √6/2
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7 lis 14:07