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Lines x + y = 1 and 3y = x + 3 intersec...

Lines x + y = 1 and 3y = x + 3 intersect the ellipse `x^(2) + 9y^(2) = 9` at the points P , Q , R . The area of the triangle PQR is _

A

`(36)/(5)`

B

`(18)/(5)`

C

`(9)/(5)`

D

`(1)/(5)`

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The correct Answer is:
B
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CHHAYA PUBLICATION-COORDINATE GEOMETRY-WBJEE Archive (2013)
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