Question 1: Solve Question 10.3 in the workbook.

Question 2: Solve Question 10.5 in the workbook.

Question 3: Solve Question 12.1 in the workbook.

Question 4: Solve Question 12.5 in the workbook.

Question 5: Solve Question 12.11 in the workbook.

Question 6: Solve Question 12.13 in the workbook.

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