Maths-
General
Easy

Question

A curve passes through the points given by the following table :

By Simpson’s rule, the area bounded by the curve, the x-axis and the lines x=1, x=4, is

  1. 7.583    
  2. 6.783    
  3. 7.783    
  4. 7.275    

The correct answer is: 7.783


    Area is given by not stretchy integral subscript x subscript 1 end subscript end subscript superscript x subscript 2 end subscript end superscript y d x equals not stretchy integral subscript 1 end subscript superscript 4 end superscript y d x
    Substituting the given values in the formula
    not stretchy integral subscript 1 end subscript superscript 4 end superscript y d x equals fraction numerator 4 minus 1 over denominator 6 cross times 3 end fraction open curly brackets left parenthesis 2 plus 2.1 right parenthesis plus 4 left parenthesis 2.4 plus 2.8 plus 2.6 right parenthesis plus 2 left parenthesis 2.7 plus 3 right parenthesis close curly brackets
    equals 7.783.

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