Find f x and f y. f ( x, y ) = x 5 + y 5 + x 5y
1. 2. 3. 4. Find f x and f y. f ( x, y ) = x 5 + y 5 + x 5y. f x = 5x 4 + 5x 4y, f y = 5y 4 + x 5 f x = 2x + 2xy, f y = 2y + x 2 f x = 3x 2 + 3x 2y, f y = 3y 2 + x 3 f x = 4x 3 + 4x 3y, f y = 4y 3 + x 4. 1. 2. 3. 4.
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