Suku ke-10 dari barisan 3, 5, 7, 9, 11... adalah ...
A. 11
B. 15
C. 19
D. 21
E. 27
A. 11
B. 15
C. 19
D. 21
E. 27
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Jawaban:
a=3
b=2
U10=3+(10-1)2
U10=3+9×2
U10=3+18
U10=21
Semoga bermanfaat