2+4+6+8+10+...+100 =??
Matematika
Reshalina
Pertanyaan
2+4+6+8+10+...+100
=??
=??
1 Jawaban
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1. Jawaban IndahMarpaung23
b= 4-2= 2
Sn =n/2(2a+(n-1)b)
S50 = 50/2 (2(2)+(49)2)
= 25 (4+98)
= 25(102)
=2550