Matematika

Pertanyaan

-100-99-98-...-2-1-0+1+2+...+48+49+50

1 Jawaban

  • a = -100
    b = u2 - u1 = -99 - (-100) = 1
    Un = -100 + (n - 1)1
    = -100 + n - 1 = n - 101=50
    n = 151
    S151 = 151/2 (-100+50)
    = 151/2 . (-50) = -3775

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