Jawabanmu

Jawaban paling cerdas!
2014-04-09T21:46:31+07:00
U3=3
U7=3/16

Permisalan U3= a x r^2
U7 = a x r^6

a.r^6/a.r^2 = 3/16 x 1/3
r^4 = 1/16
r = 1/2

a.(1/2)^2 = 3
a. 1/4 = 3
a = 12
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