5x2 Let f(x, y, z) = 5y - 522 If the level surface f(x,y, z) = 5 has the surface area %3D element of the form do B(x, y, z)dadz, then evaluate B(2/5,21,2/5). %3D O A. 7.5574 O B. -8.5826 O C. 6.4031 P D. 5.5678 PE. 4.5826 F. 3.4031 G. 6.0828 H. -4.5826
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