anonymous
  • anonymous
approximate using the trapezoidal rule by dividing the interval 1
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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watchmath
  • watchmath
Hi, if you divide the interval into 4 subintervals each sub interval is of length one. Now the value of the function at 1,2,3,4,5 are 6,3,2,3/2,6/5. For example for the trapezoid on top of the first interval, the area is (6+3)/2 * 1 = 9/2. Do the same thing for the other sub intervals and add them all at the end to approximate the integral.
anonymous
  • anonymous
i did that but got the wrong answer
anonymous
  • anonymous
actually i see the mistake thanks i was multiplying by two instead of a half lol silly mistake thanks for pointing it out:)

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watchmath
  • watchmath
glad it works for you :). Should you need any help when I am not around you can ask me here: http://www.ask.watchmath.com
anonymous
  • anonymous
thanks heaps ur champ :)

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