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Vectors in three dimensions — Question 33

Original QCE Vault practice · 1 mark

Q33 · Practice questionSimple familiar1 mark

QUESTION 33

The sphere x2+y2+z2−4x+6y−2z=11x^2+y^2+z^2-4x+6y-2z=11 has centre and radius
(A)
(2,−3,1)(2,-3,1), 55
(B)
(−2,3,−1)(-2,3,-1), 55
(C)
(2,−3,1)(2,-3,1), 2525
(D)
(4,−6,2)(4,-6,2), 55
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