Question

Find pole of line 2x + y + 1=0 w.r.t circle x² + y² + 1 = 0.​

Answer 1

Polar of the point (x

1

,y

1

) with respect to the circle 5x

2

+5y

2

=9 is given by 5xx

1

+5yy

1

=9

Comparing the above equation with the equation of the straight line 2x−y=1, we have

2

5x

1

=

−1

5y

1

=

1

9

⇒5x

1

=9×2=18

or x

1

=

5

18

Also, 5y

1

=−9 or y

1

=

5

−9

Answer 2

Answer:

2x +y+1=0

The right is 9

Step-by-step explanation:

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