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  • If a circle passes through the points of intersection of the co-ordinate axes with the lines <img alt="\mathrm{\lambda x-y+1=0}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7B%5C

If a circle passes through the points of intersection of the co-ordinate axes with the lines \mathrm{\lambda x-y+1=0} and \mathrm{x-2 y+3=0}, then the value of \lambda is

Option: 1

2


Option: 2

4


Option: 3

6


Option: 4

3


Answers (1)

best_answer

If \mathrm{x-y+1=0} and \mathrm{x-2 y+3=0}

intersect the axes at con cyclic points then \mathrm{\lambda .1=(-1)(-2)\lambda=2}

Hence (A) is the correct answer.

Posted by

Rishabh

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