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Q . A LINE HAS INTERCEPTS “a” AND “b” ON THR COORDINATE AXES. IF KEEPING THE ORIGIN FIXED , THE COORDINATE AXES ARE ROTATED THROUGH 90 0 , THE SAME LINE HAS INTERCEPTS “p” AND “q” , THEN p=a , q=b p=b, q= a p= – b , q = – a p = b , q = – a

Q . A LINE HAS INTERCEPTS “a” AND “b” ON THR
 COORDINATE AXES. IF KEEPING THE ORIGIN FIXED , THE COORDINATE AXES ARE ROTATED THROUGH 900 , THE SAME LINE HAS INTERCEPTS “p” AND “q” , THEN
  1. p=a , q=b
  2. p=b, q= a
  3. p= – b , q = – a
  4. p = b , q = – a

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1 Answers

Yash Jain
55 Points
9 years ago
What’s wrong with this question?
See, you might have been confused about in what manner are the axes rotated whether clockwise or anticlockwise, but the options are eliminating the doubt. Try to just visualize what will be happening if the axes are rotated.
The answers are, if rotated in anti-clockwise manner:- p=b and q=-a
and if rotated in clockwise manner:- p=-b and q=a.
I hope the question is clear now.

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