MATH1021: Calculus of one variable
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School of Mathematics and Statistics
Assignment 2
MATH1021: Calculus of one variable
Semester 2, 2021
This assignment is worth 8% of your final assessment for this course. Your answers should be well written, neat, thoughtful, mathematically concise, and a pleasure to read. Please cite any resources used and show all working. Present your arguments clearly using words of explana-tion, and diagrams where relevant. Mathematics is about communicating your ideas. This is a worthwhile skill which takes time and effort to master. The marker will give you feedback and allocate an overall letter grade and mark to your assignment using the following criteria:
Assignment Questions
1. Find the following limits. Justify your working carefully.
2. Consider the function
3. Consider the function
4. Write down the degree 5 Taylor polynomial for sin x, expanded about x = 0. Find an approximation for sin(−0.5). Use the remainder term R5(x) to show that this approx-imation is accurate to 4 decimal places. Show all working and explain your reasoning carefully.
5. Construct upper and lower Riemann sums with 8 equal subintervals to approximate the definite integral
How accurate is this approximation? Note that is an increasing function on [0, 2]. How many subintervals are required for an approximation to this integral that is accurate to within 0.01 of the true value?
2021-10-26