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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2005
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Q)
The plane $x + 2y - z = 4$ cuts the sphere $x^2 + y^2 + z^2 - x - 2 = 0 $ in a circle of radius :
( A ) $3$
( B ) $2$
( C ) $1$
( D ) $\sqrt{2}$
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