Question: Note: Give exact answers where possible (for example, rt is exact but 3.142 is approximate). 1. [18 marks] Evaluate: b. (6 marks) Inx dx

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Note: Give exact answers where possible (for example, rt is exact but 3.142 is approximate). 1. [18 marks] Evaluate: b. (6 marks) Inx dx (6 marks) x sec2 x dx (6 marks) t arctan(t) dt
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