Calcule o 100° termo da P A (5;9;13 )

Calcule o 100° termo da P A (5;9;13 )

  • A = 5
    a = 9
    a = 13
    n = 100
    r = 9 — 5 = 4

    a = a + (n — 1) . r
    a = 5 + (100 — 1) . 4
    a = 5 + 99 . 4
    a = 5 + 396
    a = 401

    Espero ter ajudado. Valeu!

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    Vamos encontrar a razo:

    r=a_2-a_1 r=9-5 boxed{r=4}

    a_n=a_1+(n-1)*r a_1_0_0=a_1+(100-1)*r a_1_0_0=a_1+99r a_1_0_0=5+99*4 a_1_0_0=5+396 boxed{a_1_0_0=401}


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17 + = 26