What is the sum of the followinA.p if there are n term in the A.p? a, a+d , a+2d…,l

Question

What is the sum of the followinA.p if there are n term in the A.p? a, a+d , a+2d…,l

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Brielle 3 days 2021-09-13T15:42:48+00:00 2 Answers 0 views 0

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    0
    2021-09-13T15:44:11+00:00

    Answer:

    formula = n/2( 2a + ( n – 1 ) d )

    Step-by-step explanation:

    where n = n th term

    a = first term

    d = difference between 2nd term and first term

    hope this is helpful

    0
    2021-09-13T15:44:36+00:00

    Step-by-step explanation:

    Sum of n terms of an AP is given by:

    sn =  \frac{n}{2} (2a + (n - 1)d)

    Or

    sn =  \frac{n}{2} (a + an)

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