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Q.

The equation of the line such that the normal ray from the origin makes an angle of 300 with the x-axis and the area of the triangle formed by the line with the coordinate axes is 503  is

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a

3x+2y=9

b

3x+y=±10

c

3x+y=±103

d

2x+3y=±93

answer is D.

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Detailed Solution

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Let  α=300Equation  of  line  inNormalform  isxcosα+ysinα=pxcos300+ysin300=p3x+y2p=0Given  Area=5034p223×1=503  2p2=50×3  p2=25×3   p=±53  Required  Equation  is  3x+y±103=0

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