dorothy1555 dorothy1555

22-04-2021
Mathematics

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Q7. What is the sum of the first 50 terms of the
series 2 +17 +32 +47 +...?

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Respuesta :

avenger462 avenger462

22-04-2021

Answer:

18475

Step-by-step explanation:

given sequence is in A.P.

sum of n terms of an A.P. is =

[tex] \frac{n}{2} \times (2a + (n - 1) \times d)[/tex]

here n = 50

a = 3

d= 15

ans is 18,475

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