Mathematics for Applied Sciences (Osnabrück 2023-2024)/Part I/Exercise sheet 20



Exercises

Show by induction over , using integration by parts, that

holds.


The following exercises are about determining primitive functions. This includes the choice of suitable domains for the functions.

Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Determine an antiderivative (primitive function) of the function


Let be a real interval and let

be a continuous function with antiderivative . Let be an antiderivative of and let . Determine an antiderivative of the function


Let . Determine an antiderivative of the function

using the antiderivative of and the theorem about integration of inverse function.


Determine an antiderivative of the natural logarithm function using the antiderivative of its inverse function.


Let

be a bijective, continuous differentiable function. Prove the formula for the antiderivative of the inverse function by the integral

using the substitution and then integration by parts.


Compute the definite integral


Compute the definite integral of the function

on .


Compute by an appropriate substitution an antiderivative of


Prove the relationship

for , only using rules for integration.


Determine the areas of the regions, surrounded by the blue curves, sketched on the right.




Hand-in-exercises

Exercise (3 marks)

Determine an antiderivative (primitive function) of the function


Exercise (2 marks)

Determine an antiderivative (primitive function) of the function


Exercise (3 marks)

Determine an antiderivative (primitive function) of the function


Exercise (4 marks)

Determine an antiderivative (primitive function) of the function


Hint: Write the numerator polynomial using the denominator polynomial.


Exercise (4 marks)

Let be a real interval and let

be a continuous function with antiderivative . Let be an antiderivative of and an antiderivative of . Let . Determine an antiderivative of the function


Exercise (5 marks)

Let

be a differentiable function with for all . For what points does the area of the hatched surface have a local extremum? Is it a minimum or a maximum?



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