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Let P be a point on the circle x^2+y^2=9...

Let `P` be a point on the circle `x^2+y^2=9,Q` a point on the line `7x+y+3=0` , and the perpendicular bisector of `P Q` be the line `x-y+1=0` . Then the coordinates of `P` are `(0,-3)` (b) `(0,3)` `((72)/(25),(21)/(35))` (d) `(-(72)/(25),(21)/(25))`

A

(3, 0)

B

(0, 3)

C

(72/25, -21/25)

D

(-72/25, -21/25)

Text Solution

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Exercise
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  3. Let P be a point on the circle x^2+y^2=9,Q a point on the line 7x+y+3=...

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  7. If the angle of intersection of the circle x^2+y^2+x+y=0 and x^2+y^2+x...

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  12. If the tangents are drawn to the circle x^2+y^2=12 at the point where ...

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  13. If the straight line x=2y+1=0 intersects the circle x^2+y^2=25 at poin...

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  14. If the chord of contact of the tangents drawn from the point (h , k) t...

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  17. If the circle x^2+y^2+2gx+2fy+c=0 bisects the circumference of the cir...

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  18. If the pole of a straight line with respect to the circle x^(2)+y^(2)=...

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  19. Find the equation of the chord of the circle x^2+y^2=9 whose middle po...

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