Find the sum of the summation of 3 i minus 15, from i equals 2 to 7.

Question

Mathematics

Hayden Schwartz

6 March, 17:43

Find the sum of the summation of 3 i minus 15, from i equals 2 to 7.

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Sky · Answer 1

The summation symbol means we use the variable i in the equation from the given range. In this case, we are given with the equation 3 i - 15 and i ranges from 2 to 7. The summation using simply the calculator is equal to - 9. The answer to this problem is - 9.