Pair of straight lines through A(1, 1) a...

Pair of straight lines through A(1, 1) are drawn to intersect the line 2x+4y = 5 at B and C. If angle between the pair of straight line is `pi/3`, then the locus of incentre of `Delta`ABC is

A

`11x^2 - y^2 - 16xy - 10x + 10y-5=0`

B

`11y^2 - x^2 + 16xy-10y + 20 = 0`

C

`11x^2 + y^2 - 16xy - 10x + 10y+5=0`

D

`11y^2 - x^2 + 16xy - 10x - 30y + 15 = 0`

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The correct Answer is:

D

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