deret 2+4+6+....+U9. Nilai U9 ??
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deret 2+4+6+....+U9. Nilai U9 ??
1 Jawaban
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1. Jawaban sa19
Un = a + (n-1).b
Diketahui:
a = 2
b = 4-2=2
U9= 2+ (9-1).2
= 2+ 8.2
= 2+16
=18