Questions and Worked Video Solutions for C4 Edexcel Core Mathematics January 2011 (Part 2).
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Edexcel Core Mathematics C4 January 2011 Past Paper
C4 Mathematics Edexcel January 2011 Question 6
Find
(a) an equation of the normal to C at the point where t = 3 ,
(b) a cartesian equation of C.
The finite area R, shown in Figure 1, is bounded by C, the x-axis, the line x = ln 2 and the
line x = ln 4 . The area R is rotated through 360° about the x-axis.
(c) Use calculus to find the exact volume of the solid generated.
6(a) Parametric Equations
6(b)
6(c)
C4 Mathematics Edexcel January 2011 Question 7
(b) Use the trapezium rule, with all of the values of y in the completed table, to obtain an estimate of I, giving your answer to 3 decimal places.
(c) Using the substitution (u - 4)2 + 1, or otherwise, and integrating, find the exact value of I.
7(a),(b) Trapezium Rule
7(c) Integration by Substitution
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