34) Find the sum of first 15 multiples of 8
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To Find: => Sum of first 15 multiples of 8. Formula used: Now, multiples of 8 are: => 8, 16, 24, 32..... Therefore, => a = 8 => d = 16 - 8 = 8 => Number of terms (n) = 15. Now, put the values in the formula we get, Hence, the sum of first 15 multiples of 8 are 960. Hope it helps Please mark me as Brainly
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