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Math Chapter Wise question with answer

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Question #49,973
Math Chapter Wise Sphere, Cone And Cylinder English MCQ UP PCS (Pre) 1996

Q.The value of 'a' for which the plane x + y + z = a 3 touches the sphere x2 + y2 + z2 – 2x – 2y – 2z – 6 = 0 will be:

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