Set of solutions

For any of the following questions one or more answers are correct. Try to find out exactly these and click the according checkboxes. Take a sheet of paper whenever you feel this might help, in particular for the questions indicated by the symbol at the right. You may also this page and use it as worksheet. Any question allows an evaluation in terms of number of points achieved. Alternatively, you may activate the total evaluation at the end of the document.

Hint to this test: If not stated otherwise, any equation is to be considered over the setRof real numbers.

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