MathematicsIf a st. line passes through the point (1/5, 1/5) and ab=1/6 where a, b are the intercepts of the line on the co-ordinate axes, then the equation of the line is

If a st. line passes through the point (1/5, 1/5) and ab=1/6 where a, b are the intercepts of the line on the co-ordinate axes, then the equation of the line is

  1. A

    2x+3y=1

  2. B

    2x+3y-2=0

  3. C

    4x+y-1=0

  4. D

    x+4y-1=0

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    Solution:

    Let Equation of line xa+yb=1

    Given

    ab=16  1b=6axa+6ay=1-----(1)If  passes  15,1515a+6a5=11+6a2=5a6a25a+1=06a23a-2a+1=0  

    2a-13a-1=0 a=12 , a=13 if a=12 from (1) x12+612y=1 2x+3y=1

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