Maths-
General
Easy

Question

From the following table, using Trapezoidal rule, the area bounded by the curve, the x-axis and the lines x=7.47,  x=7.52, is

  1. 0.0996    
  2. 0.0896    
  3. 0.6977    
  4. 0.0776    

The correct answer is: 0.0996


    Since the area bounded by the x-axis is given by not stretchy integral subscript x subscript 1 end subscript end subscript superscript x subscript 2 end subscript end superscript f left parenthesis x right parenthesis d x
    According to the table, not stretchy integral subscript 7.47 end subscript superscript 7.52 end superscript f left parenthesis x right parenthesis d x
    equals fraction numerator h over denominator 2 end fraction left square bracket y subscript 0 end subscript plus 2 left parenthesis y subscript 1 end subscript plus y subscript 2 end subscript plus y subscript 3 end subscript plus y subscript 4 end subscript right parenthesis plus y subscript 5 end subscript right square bracket
    = fraction numerator 0.01 over denominator 2 end fraction left square bracket 1.93 plus 2 left parenthesis 1.95 plus 1.98 plus 2.01 plus 2.03 right parenthesis plus 2.06 right square bracket
    = 0.01 divided by 2 left square bracket 1.93 plus 15.94 plus 2.06 right square bracket equals 0.0996.

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