Reimann Sum | Desmos

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8

right end

9

Expression 13: Start sum from "i" equals 1 to "n" , end sum, "f" left parenthesis, "a" plus "i" "d" , right parenthesis "d"

13

left end

14

Expression 18: Start sum from "i" equals 1 to "n" , end sum, "f" left parenthesis, "a" plus left parenthesis, "i" minus 1 , right parenthesis "d" , right parenthesis "d"

18

midpoint

19

Expression 23: Start sum from "i" equals 1 to "n" , end sum, "f" left parenthesis, "a" plus "i" "d" negative StartFraction, "d" Over 2 , EndFraction , right parenthesis "d"

23

Trapezoid

24

Expression 29: Start sum from "i" equals 1 to "n" , end sum, StartFraction, "f" left parenthesis, "a" plus "i" "d" , right parenthesis plus "f" left parenthesis, "a" plus left parenthesis, "i" minus 1 , right parenthesis "d" , right parenthesis Over 2 , EndFraction "d"

29

30

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