Family of Straight Lines

Geometry Level 2

If (2sinα + 3cosα)x + (5sinα – cosα)y -7sinα -2cosα = 0 represent family of straight lines passing through a fixed point then find the coordinates of the fixed point .

(2, 2) (1, 1) (3, 1) (1, 2)

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1 solution

Harshi Singh
Feb 8, 2016
  • *Let x and y be 1 thus the following equation is satisfied !!!! *
  • its of level 2 so no need to go on long methods

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