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The equation of the circle of radius 2 s...

The equation of the circle of radius `2 sqrt(2)` whose centre lies on the line `x - y=0` and which touches the line `x+y =4`, and what centre's coordination satisfy the inequality `x+y gt 4` is `:`

A

`x^(2)+y^(2)-8x-8y+24=0`

B

`x^(2)+y^(2)=8`

C

`x^(2)+y^(2)-8x+8y-24=0`

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Chapter Test
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  8. A ray of light incident at the point ( -2,-1) gets reflected from the ...

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  9. The point on the straight line y = 2x + 11 which is nearest to the cir...

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  12. The angle of intersection of the circles x^(2)+y^(2)=4 and x^(2)+y^(2...

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  13. The normal at the point (3,4) on a circle cuts the circle at the poins...

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  14. The inverse point of (1, -1) with respect to x^(2)+y^(2)=4, is

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  15. A variable circle passes through the point A(a,b) and touches the x-a...

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  16. The radius of the circle r^(2)-2sqrt(2r) (cos theta + sin theta)-5=0, ...

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  17. A straight rot of length 9 units slides with its ends A,B always on th...

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  18. Find in-radius of the triangle formd by the axes and the line 4x+3y-12...

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  19. A line is at a distance 'c' from origin and meets axes in A and B. The...

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  20. The number of circles that touch all the straight lines x+y-4=0, x-y+2...

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