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kozmikvoid Group Title

In the Solutions to the Sample Questions for Exam 1, Question 10b) has a solution of -r/4. I don't see the logic to that answer. The logic is that the solution is A*-r, which is correct, but then they simplify by stating A=1/4, which is incorrect. A equals 1/4*Ao, which would make the correct answer -r/4*Ao. What am I missing?

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  1. adamshai Group Title
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    You're right, it's a typo

    • one year ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...


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