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Do you agree with what Granny is saying?

Do you agree with what Granny is saying?

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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PlayDac Gerty asked Granny from group 1 to explain the group's answer. Granny: We said p into p-3 plus 3 into p-3 (then she deleted p in p3 appearing in their second step) we get p2 - 3p +3p -3p. Then -3p +3p gives us zero and the answer becomes p2 - 3p (first amendment). Gerty: You are talking fast Granny. Go slowly, listen to yourself and explain how you got -3p; +3p and -3p. Granny: No. There is something wrong in step 2; p into p-3 plus 3 into p-3 gives us p2 - 3p + 3p - 9 and this will become p2 - 9 (second amendment). Gerty: (to the class) Do you agree with what Granny is saying?
Transcribed Image Text:PlayDac Gerty asked Granny from group 1 to explain the group's answer. Granny: We said p into p-3 plus 3 into p-3 (then she deleted p in p3 appearing in their second step) we get p2 - 3p +3p -3p. Then -3p +3p gives us zero and the answer becomes p2 - 3p (first amendment). Gerty: You are talking fast Granny. Go slowly, listen to yourself and explain how you got -3p; +3p and -3p. Granny: No. There is something wrong in step 2; p into p-3 plus 3 into p-3 gives us p2 - 3p + 3p - 9 and this will become p2 - 9 (second amendment). Gerty: (to the class) Do you agree with what Granny is saying?
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