1+3+5+7+9...+99= pakek caranya ya
Matematika
asrda
Pertanyaan
1+3+5+7+9...+99= pakek caranya ya
1 Jawaban
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1. Jawaban eripane05
banyak suku 99-1/ 2= 98/2 = 49
Sn= n/2 [2a+ Un]
S99 = 49/2 [ 2(1) + (49-1)2]
=> 49/2 [2+ 96]
=> 49/2 [98]
=> 49[49]
=> 2.401