Find the sum. $$\sum _ { i = 1 } ^ { 5 } \left( 2 i ^ { 2 } \right)$$
A) 75
B) 150
C) 110
D) 220

Name: Find the sum. \[\sum _ { i = 1 } ^ { 5 } \left( 2 i ^ { 2 } \right)\] A) 75 B) 150 C) 110 D) 220
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Question

Quizplus · Accepted Answer

The sum can be calculated by plugging in the values of $i$ from 1 to 5 into the given formula $2i^2$ and adding them together: $$2(1)^2 + 2(2)^2 + 2(3)^2 + 2(4)^2 + 2(5)^2 = 2 + 8 + 18 + 32 + 50 = 110.$$

Find the Sum ∑i=15(2i2)\sum _ { i = 1 } ^ { 5 } \left( 2 i ^ { 2 } \right)i=1∑5​(2i2)

Find the Sum $\sum _ { i = 1 } ^ { 5 } \left( 2 i ^ { 2 } \right)$