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The radius of the circle in which the sp...

The radius of the circle in which the sphere `x^(2)=y^(2)+z^(2)+2z-2y-4z-19=0` is cut by the plane `x+2y+2z+7=0` is

A

`2`

B

`3`

C

`4`

D

`1`

Text Solution

Verified by Experts

The correct Answer is:
(b)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Single Option Correct Type Questions)
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  2. A plane makes intercepts OA, OB and OC whose measurements are b and c ...

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  4. Let veca=hati+hatj and vecb=2hati-hatk. Then the point of intersection...

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  5. The coordinates of the point P on the line vec r=( hat i+ hat j+ ha...

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  6. Find 3-dimensional vectors vec v1,vec v2,vec v3 satisfying vec v1* ve...

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  7. The position vectors of points a and b are hat(i)-hat(j)+3hat(k) and 3...

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  8. A, B, C and D are four points in space. Using vector methods, prove th...

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  12. In a three-dimensional coordinate system, P ,Q ,a n dR are images o...

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  16. A ray of light is sent through the point P(1,2,3) and is reflected on ...

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  17. Find dy/dx if 2x-3sinx=2y

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  18. The shortest distance between any two opposite edges of the tetrahedro...

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  19. The angle between the pair of planes represented by equation 2x^(2)-2y...

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