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If  and s is the closed surface of x2 + y2 + z2 = a2. Then  is

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  2. πa3
  3. 4πa3

Answer (Detailed Solution Below)

Option 3 : 4πa3

Detailed Solution

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Concept:

According to Gauss Divergence theorem:

Calculation:

Given:

x2 + y2 + z2 = a2

∴ closed surface is a sphere of radius r

∴ 

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