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Find the angle at which the circles x^2+...

Find the angle at which the circles `x^2+y^2+x+y=0` and `x^2+y^2+x-y=0` intersect.

A

`pi//6`

B

`pi//4`

C

`pi//3`

D

`pi//2`

Text Solution

Verified by Experts

The correct Answer is:
D
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ARIHANT MATHS ENGLISH-CIRCLE -Exercise For Session 7
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  7. Find the equation of the radical axis of circles x^2+y^2+x-y+2=0 and 3...

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  8. The radius and centre of the circles x^(2)+y^(2)=1,x^(2)+y^(2)+10y+24...

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  9. If (1, 2) is a limiting point of a coaxial system of circles containin...

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  10. The limiting points of the system of circles represented by the equati...

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  11. One of the limiting points of the co-axial system of circles containin...

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  12. The point (2,3) is a limiting point of a co-axial system of circles of...

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  13. P(a,5a) and Q(4a,a) are two points. Two circles are drawn through thes...

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  14. Find the equation of the circle which cuts orthogonally the circle x^2...

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  15. Tangents are drawn to the circles x^(2)+y^(2)+4x+6y-19=0,x^(2)+y^(2)=9...

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  16. Find the coordinates of the point from which the lengths of the tangen...

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  17. Find the equation of a circle which is co-axial with the circles x^(2)...

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  18. Find the radical axis of a co-axial system of circles whose limiting p...

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