Double, Triple, and Change in Variables of Integrals Problems

Answer all questions. Show step by step and reasoning for questions 9 and 12. Use graph and/or drawing to help explain questions 9 and 12.

  • Do you only need questions 9-12?

  • I need all of the questions answered, but only need the steps and work for questions 9 and 12.

  • The bounty is too low for 19 problems. Even if you don't ask for an explanation, one needs to solve the problems to get the correct answer.

  • Very true. I am used to most of these having many multiple choice questions. I increased the bounty.

  • I solved 14, only 5 are left.

  • Solved all, please check them.

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  • Checked and all are correct. Thank you again.

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The answer is accepted.