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The point of contact of the plane 2x - 2 y+ z+12 = 0 touches the sphere $x^{2}+y^{2}+z^{2}-2x-4y+2z-3=0$ is :1). (2, 1, 4)2). (1, 4, 2)3). (-1, 4, -2)4). (4, 1, 2) |
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