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The equation of the tangent to the circl...

The equation of the tangent to the circle `x^(2)+y^(2)+2x+2y-7=0` which makes `45^@` with the x axis is

A

`y=xsqrt3+1`

B

`y=x pm sqrt3`

C

`y=x pm 3sqrt2`

D

`y=xsqrt2+3`

Text Solution

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1B(Circle-Line)
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  4. Equation of the tangent to the circle x^(2)+y^(2)=3, which is inclined...

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  7. If the lines 3x+4y-14=0 and 6x+8y+7=0 are both tangents to a circle, t...

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  8. How many circles can be drawn each touching all the three lines x+y=1,...

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  9. The number of circles that touches all the three lines x+y-1=0, x-y-1=...

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  10. If the equatio of one tangent to the circle with centre (2,-1) from th...

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  11. If y=3x is a tangent to a circle with centre (1,1) then the other tang...

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  12. The equation of the tangents to the circle x^(2)+y^(2)-4x-6y-12=0 and ...

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  13. The equation of the tangent to the circle x^(2)+y^(2)+8x-4y-5=0 and pe...

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  14. The equation of the tangents to the circle x^(2)+y^(2)-2x+8y-23=0 and ...

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  15. The equation of the tangent to the circle x^(2)+y^(2)=16 which are inc...

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  16. The equation of the tangent to the circle x^(2)+y^(2)+4x-4y+4=0 which ...

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  17. x^(2)+y^(2)-4x-6y+9=0 and (x+3)^(2)+(y+2)^(2)=25 are two circles. The ...

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  18. P(-9,-1) is a point on the circle x^2+y^(2)+4x+8y-38=0. The equation t...

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  19. The area of the triangle formed with the coordinate axes and the tange...

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  20. The equations of the tangents to the circles x^(2)+y^(2)=a^(2) which m...

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