quadrilateral A(2,4) B(—1,5) C(—3,4) D(—2,2) (i) what is the gradient of the line joining C and D? (ii) show that the line joining A and D is perpendicular to the line C and D. (iii) find the equation of the line joining C and D and put the answer in the form ax + by = c, where a,b,c € Z.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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quadrilateral A(2,4) B(—1,5) C(—3,4) D(—2,2)

(i) what is the gradient of the line joining C and D?

(ii) show that the line joining A and D is perpendicular to the line C and D.

(iii) find the equation of the line joining C and D and put the answer in the form ax + by = c, where a,b,c € Z.

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