# p829 m10 HWK

## 3175 days ago by MATH4R2012

#10) common difference for {e^(ln(x))} is ? a(n)=e^ln(n);show(a(n)) show([e^ln(n) for n in range(10)]) show([n for n in range(10)])
 \newcommand{\Bold}{\mathbf{#1}}n \newcommand{\Bold}{\mathbf{#1}}\left[0, 1, 2, 3, 4, 5, 6, 7, 8, 9\right] \newcommand{\Bold}{\mathbf{#1}}\left[0, 1, 2, 3, 4, 5, 6, 7, 8, 9\right]
#20) b(n)={-1,1,3,...} find 8th term show([2*n-1 for n in range(8)])
 \newcommand{\Bold}{\mathbf{#1}}\left[-1, 1, 3, 5, 7, 9, 11, 13\right]
#30) if c(4)=-2 and c(12)=30, find c(n) m=(30-(-2))/(12-4);show(m) show([4*n-18 for n in range(13)])
 \newcommand{\Bold}{\mathbf{#1}}4 \newcommand{\Bold}{\mathbf{#1}}\left[-18, -14, -10, -6, -2, 2, 6, 10, 14, 18, 22, 26, 30\right]
#40) 2+5+8+...+41 = ? show([3*n+2 for n in range(14)]) show((2+41)/2*14) show(sum([3*n+2 for n in range(14)]))
 \newcommand{\Bold}{\mathbf{#1}}\left[2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38, 41\right] \newcommand{\Bold}{\mathbf{#1}}301 \newcommand{\Bold}{\mathbf{#1}}301
#50) {15,17,19,...} show([2*n+15 for n in range(40)]) show((15+93)/2*40) show(sum([2*n+15 for n in range(40)]))
 \newcommand{\Bold}{\mathbf{#1}}\left[15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93\right] \newcommand{\Bold}{\mathbf{#1}}2160 \newcommand{\Bold}{\mathbf{#1}}2160