$\text { Evaluate } \iint _ { S } ( x , y , z ) d S \text {, where } f ( x , y , z ) = \sqrt { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } \text { and } S \text { is given by }$

Question

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The Answer of $\text { Evaluate } \iint _ { S } ( x , y , z ) d S \text {, where } f ( x , y , z ) = \sqrt { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } \text { and } S \text { is given by }$

$z = \sqrt { x ^ { 2 } + y ^ { 2 } } , x ^ { 2 } + y ^ { 2 } \leq 121$

Definitions:

z=x2+y2,x2+y2≤121z = \sqrt { x ^ { 2 } + y ^ { 2 } } , x ^ { 2 } + y ^ { 2 } \leq 121z=x2+y2​,x2+y2≤121

Definitions:

$z = \sqrt { x ^ { 2 } + y ^ { 2 } } , x ^ { 2 } + y ^ { 2 } \leq 121$