Math, asked by ethlerelijay, 15 hours ago

What is the sum of arithmetic series 1 + 4 + 7 + 11 + 14 + 17 + 20 + 23 + 26….+ 52?

Answers

Answered by harrinisubha

1

Answer:

78

Step-by-step explanation:

the number add means come answer

Answered by harshiya55

0

S52=3192

Step-by-step explanation:

a=1 d=3 n=52

Sn=n/2 (2a+(n-1)d)

S52=52/2 (2(1)+(52-1)3)

S52=21(2+150)

S52=21(152)

S52=3192

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