Page 175 - Math Grade 12 (Basic)
P. 175
PROEUS DARA
2 2
Hi'HlH~ X; Y; X;Y; X; Y;
"'
bruln 4 5 20 16 25
l:ruln B 7 12 84 49 144
l:ruln c 3 4 12 9 16
l:ruln D 6 8 48 36 64
truln E 10 II 110 100 121
5
5 5
= 370
~X;= 30 e v = 40 X;Y; = 274 ~ = 210 ~i
[
i = 1
i= 1 = i =I
= 0.88 ti
