Straight LineHard
Question
Number of straight lines from (1, 1) which make area of 1 sq. units with the coordinate axes is equal to -
Options
A.0
B.1
C.2
D.3
Solution
Minimum area in I quadrant will be corresponding to a line perpendicular to OA i.e. x + y = 1
⇒ Amin = 2 (in I quadrant) in II & IV quadrant area can vary from (0, ∞)
⇒ Number of straight lines = 2
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