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Let (x,y) be the points w.r.t an oblique axis ,and (x',y') be another point w.r.t another oblique axis with same origin. if formula of the transformation is x= px'+qy' y=p'x'+q'y' then the value of p2+p'2-1/q2+q'2-1 is a)pq/p'q' b)p'q'/pq c)qq'/pp' d)pp'/qq'

Let (x,y) be the points w.r.t an oblique axis ,and (x',y') be another point w.r.t another oblique axis with same origin. if formula of the transformation is x= px'+qy'   y=p'x'+q'y' then the value of p2+p'2-1/q2+q'2-1 is 


a)pq/p'q'


b)p'q'/pq


c)qq'/pp'


d)pp'/qq'

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
​Dear student

p2+p'2-1/q2+q'2-1

Here these terms must be squared

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