Asked by Anonymous
The given series has six terms. What is the sum of the terms of the series?
10 + 25 + 40 + . . . + 85
10 + 25 + 40 + . . . + 85
Answers
Answered by
Steve
a=10
d=15
S6 = 6/2 (2a+5d)
d=15
S6 = 6/2 (2a+5d)
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