Improper Integrals in Calculus II, Assignments of Calculus

Problems related to improper integrals in calculus ii, including completing a table of approximate values for a given function, proving the convergence of an improper integral using the comparison theorem, and illustrating the convergence through a graph. The assignment is worth 35 marks in total, with 30 marks for technical correctness and 5 marks for presentation.

Typology: Assignments

Pre 2010

Uploaded on 08/16/2009

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MTH_252 Calculus II
m252qz12 Improper Integrals
30 Technical Marks, 5 Presentation Marks
a) Given
2
2
sin ( )
()
x
gx x
=, complete Table I with approximate values for
1
() ( )
t
Ft gxdx= with the
specified values for t.
Table I: Approximate Values for
1
() ( )
t
Ft gxdx=
t 2 5 10 100 10,000
F(t)
b) Use the Comparison Theorem with f(x) = 1/x2 to show that the improper integral
1
()gxdx
is
convergent.
c) Illustrate part (b) by graphing f and g on the same screen for 1 < x < 10. Using this graph
and your most eloquent prose, explain why
1
()gxdx
is convergent.

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MTH_252 Calculus II m252qz12 Improper Integrals 30 Technical Marks, 5 Presentation Marks

a) Given

2 g x ( ) = sin ( ) x 2 x , complete Table I with approximate values for ( ) 1 ( )

t

F t = ∫ g x dx with the

specified values for t. Table I: Approximate Values for 1

t

F t = ∫ g x dx

t 2 5 10 100 10, F ( t )

b) Use the Comparison Theorem with f ( x ) = 1/ x^2 to show that the improper integral 1 g x dx ( )

∫ is

convergent. c) Illustrate part (b) by graphing f and g on the same screen for 1 < x < 10. Using this graph and your most eloquent prose, explain why 1 g x dx ( )

∫ is convergent.