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 |
|||

a) |
b) |
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c) |
d) |

1 Answer

127 votes

**(a)**

Coordinates of circumcentre are

Hence,

(i)

(ii)

Square and adding (i)and (ii), we get

(putting )

Therefore, the locus is

127 votes

127