Math 1B First Exam Name:_________________________ SID:_____________________ (first last) (Each problem worth 10 points) 1. Evaluate: ()∫edxx12ln2. Evaluate: 22132dxxx+−∫3. Evaluate: 2tansecxx dx∫4. Evaluate: ( )dxxx∫−1tan5. Evaluate: ()∫∞−123xdx6. Evaluate: ()∫+−51211dxxxx7. ( )∫dxx3sin8. In class, we derived two different error bounds for the left-hand rule. Carefully state one of them and explain why it is true. 9. a) The relationship between a circle’s radius
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