Find the tangent plane for the level surface f(x,y,z) = 7x5 + cos (5y) + In (9z) = c at the point (9,3,10). %3D o a. 229635.000x – (3.251)y + 0.100z = 2066705.346 o b. 229635.000x – (3.251)y - 0.100z = 2066704.246 o c. 229635.000x – (3.251)y - 0.100z = 2066705.146 d. 229635.000x – (3.251)y + 0.100z = 2066706.246

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