A triangle is formed by the lines and . If and vary subject to the condition , then the locus of its circumcentre is |
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a) |
b) |
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c) |
d) |
A triangle is formed by the lines and . If and vary subject to the condition , then the locus of its circumcentre is |
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a) |
b) |
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c) |
d) |
(a)
Coordinates of circumcentre are
Hence,
(i)
(ii)
Square and adding (i)and (ii), we get
(putting )
Therefore, the locus is