Find the sum of the arithmetic sequence 2, 4, 6, 8, 10, 12. A. 48 C. 54 B. 36 D. 42 Solution Click here to… Jhun Vert Tue, 06/18/2024 - 15:40 Solution Click here to expand or collapse this section $S = \frac{1}{2}n(a_1 + a_n)$ $S = \frac{1}{2}(6)(2 + 12)$ $S = 42$ Another Solution Click here to expand or collapse this section $\displaystyle S = \sum_1^6 (2n) = 42$ Practical Solution Click here to expand or collapse this section $S = 2 + 4 + 6 + 8 + 10 + 12$ $S = 42$ Log in or register to post comments Log in or register to post comments
Solution Click here to… Jhun Vert Tue, 06/18/2024 - 15:40 Solution Click here to expand or collapse this section $S = \frac{1}{2}n(a_1 + a_n)$ $S = \frac{1}{2}(6)(2 + 12)$ $S = 42$ Another Solution Click here to expand or collapse this section $\displaystyle S = \sum_1^6 (2n) = 42$ Practical Solution Click here to expand or collapse this section $S = 2 + 4 + 6 + 8 + 10 + 12$ $S = 42$ Log in or register to post comments
Solution Click here to…