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Find the Gradient Field of the Function f(x,y,z)=x2+y2+z2x5f ( x , y , z ) = \frac { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } { x ^ { 5 } }

Question 84

Multiple Choice

Find the gradient field of the function.
- f(x,y,z) =x2+y2+z2x5f ( x , y , z ) = \frac { x ^ { 2 } + y ^ { 2 } + z ^ { 2 } } { x ^ { 5 } }


A) f=7x2+5y2+5z2x6i+2yx5j+2zx5k{\nabla} f = \frac { 7 x ^ { 2 } + 5 y ^ { 2 } + 5 z ^ { 2 } } { x ^ { 6 } } \mathbf { i } + \frac { 2 y } { x ^ { 5 } } j + \frac { 2 z } { x ^ { 5 } } \mathbf { k }
B) f=5x6(x2+y2+z2) i+2yx5j+2zx5k{\nabla} f = \frac { 5 } { x ^ { 6 } } \left( x ^ { 2 } + y ^ { 2 } + z ^ { 2 } \right) \mathbf { i } + \frac { 2 y } { x ^ { 5 } } j + \frac { 2 z } { x ^ { 5 } } \mathbf { k }
C) f=3x4i+2yj+2zk{\nabla} f = \frac { - 3 } { x ^ { 4 } } i + 2 y j + 2 z k
D) f=3x25y25z2x6i+2yx5j+2zx5k{\nabla} f = \frac { - 3 x ^ { 2 } - 5 y ^ { 2 } - 5 z ^ { 2 } } { x ^ { 6 } } i + \frac { 2 y } { x ^ { 5 } } j + \frac { 2 z } { x ^ { 5 } } k

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