 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2007/paper-1/section-a/9/solution

5 - 1

gives

2/ (5 + 1) = (5 - 1) /2

. Consequently the sum inside the parentheses is

5

, and the entire expression is

5.

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