whongaliem
5 ) A = ---> = = B = m + n = 1 ; n = - 1/2 m m - 1/2 m = 1 1/2 m = 1 m = 1 : 1/2 m = a . 2/1 m = 2 8) dari persamaan di atas didapat = 1/2 y = y = √3 9) dari persamaan didapat log (2a - 2) = 1 log (2a - 2) = log 10 2a - 2 = 10 2a = 10 + 2 2a = 12 a = 12/2 a = 6 log (b - 4) = log a b - 4 = a b - 4 = 6 b = 6 + 4 b = 10 = log b = log 10 = 1 = 6 x = 6
= B
=
m + n = 1 ; n = - 1/2 m
m - 1/2 m = 1
1/2 m = 1
m = 1 : 1/2
m = a . 2/1
m = 2
8) dari persamaan di atas didapat
= 1/2
y =
y = √3
9) dari persamaan didapat
log (2a - 2) = 1
log (2a - 2) = log 10
2a - 2 = 10
2a = 10 + 2
2a = 12
a = 12/2
a = 6
log (b - 4) = log a
b - 4 = a
b - 4 = 6
b = 6 + 4
b = 10
= log b
= log 10
= 1
= 6
x = 6