21-11-2021
Mathematics

contestada

find the sum of the following APs. a 2 + 4 + 6+ ... + 98 + 100

Respuesta :

Haliberry13 Haliberry13

21-11-2021

Answer:

S=2+4+6+…+100

S=100+98+96+…+2

Adding the two yields

2S=102+102+102+…+102 = 50(102)

Thus S=50(51)=2550

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