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7. We recall that in lectures we used the notation (PQR) to mean the area of triangle PQR. With this in mind, consider a triangle ABC. Let D be the midpoint of BC and let E be an arbitrary point inside the triangle ABD.

7. We recall that in lectures we used the notation (PQR) to mean the area of triangle PQR. With this in mind, consider a triangle ABC. Let D be the midpoint of BC and let E be an arbitrary point inside the triangle ABD.

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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7. We recall that in lectures we used the notation (PQR) to mean the area of triangle PQR. With this in mind, consider a triangle ABC. Let D be the midpoint of BC and let E be an arbitrary point inside the triangle ABD. B 5) e D (a) Why is (ABC)= (AEB) + (AEC) + (BEC)?
Transcribed Image Text:7. We recall that in lectures we used the notation (PQR) to mean the area of triangle PQR. With this in mind, consider a triangle ABC. Let D be the midpoint of BC and let E be an arbitrary point inside the triangle ABD. B 5) e D (a) Why is (ABC)= (AEB) + (AEC) + (BEC)?
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