1.

Evaluate the surface integral ‚à´‚à´ (3x i + 2y j). dS, where S is the sphere given by x2 + y2 + z2 = 9.$

A. 120π
B. 180π
C. 240π
D. 300π
Answer» C. 240‚âà√¨‚àö√ë


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