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NCERT Textbook
STRAIGHT LINES

Class 11
Maths :-NCERT Solutions - Straight Lines.

Page No 211:
Question 3:
Find the distance between and when: (i) PQ is parallel to the y-axis, (ii) PQ is parallel to the x-axis.


Answer:


The given points are and.
(i) When PQ is parallel to the y-axis, x1 = x2.
In this case, distance between P and Q 

(ii) When PQ is parallel to the x-axis, y1 = y2.
In this case, distance between P and Q 


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NCERT Maths Class 11

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