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For the spherical surface x2 + y2 + z2 = 1...

This question belongs to Engineering Maths Calculus
Calculus
?

For the spherical surface x2 + y2 + z2 = 1, the unit outward normal vector at the point \[\left( {\frac{1}{{\sqrt 2 }},\,\frac{1}{{\sqrt 2 }},\,0} \right)\]   is given by

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Correct Answer: Option A
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