The number of circles that touch all the straight lines $x+y=4, x-y=-2$ and $y=2$ is

The number of circles that touch all the straight lines $x+y=4, x-y=-2$ and $y=2$ is
  1. $1$
  2. $2$
  3. $3$
  4. $4$

Solution

There are four circles can be drawn which touch all the lines.

Asked in: AP EAMCET 2001

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