Page 57 - Math Grade 11 (Advance)

PROEUS DARA

log 27
10
t:i. log 27 = - -- ""1.6937
7
1 ogw 7

4.1 rutimnnnmln

5
5 2 ""
log 4 x = , log 4 x = log 44 '1.? fi5Y ~ Iogaa = 1
2
5 ~
2 2 2 2
x = 4 = (2 ) ttm g 4 = 2
5
X = 2 'i5 X = 32
"'-

1 1
6(-- - + log x) = 13 titlmYS'i5HffHli logx8 = - - -
8
1 og8x lJ u 61 ~ 1 og x
8
2
2
6+6(log x) = 13log x ttmg (log x) -13log x+6 = 0
8 8 8 8
(3log x- 2)(2log x- 3) = 0
8 8
2
log x = , log x = 3
8
8
3
2
2 3
3 2
X = 8 , X = 8
==:> X = 4 , X = 16./2
.,
il V»VU nn 4
5
1
5
2
log x + -- = - ~ (log~) + 1 = - Iog~
2
9
log~ 2
2
2(log~) - 5log~ + 2 = 0
52