Math, asked by manasapatro1234, 10 days ago

find the sum of first 50 positive integers which is divisible by 3

Answers

Answered by darkphieoinix

3

Step-by-step explanation:

Here the sequence is 3, 6, 9, 12, 15, . . . . .

So a = 3 , d = 3 and n = 50

S 50 = ( 50/2) [ 2a + 49d ] =25 ( 2 x 3 + 49 x 3) = 25 x 153 = = 3825

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