Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
-$\sum _ { i = 1 } ^ { 65 } - 3 i$
A) -6534
B) -6336
C) -6432
D) -6435

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The Answer of Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
-$\sum _ { i = 1 } ^ { 65 } - 3 i$
A) -6534
B) -6336
C) -6432
D) -6435

Use the Formula for the Sum of the First N ∑i=165−3i\sum _ { i = 1 } ^ { 65 } - 3 i∑i=165​−3i

Use the Formula for the Sum of the First N $\sum _ { i = 1 } ^ { 65 } - 3 i$