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A triangle is formed by the lines  and . If  and  vary subject to the condition , then the locus of its circumcentre is

a)

b)

c)

d)



Question ID - 51594 | SaraNextGen Top Answer

A triangle is formed by the lines  and . If  and  vary subject to the condition , then the locus of its circumcentre is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Coordinates of circumcentre are

Hence,

    (i)

    (ii)

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

(putting )

Therefore, the locus is

127 votes


127