Find all the first order partial derivatives for the following function. f(x, y) = (5x 4y 3 + 6) 2 O af = 20x°y°; dy af 15x*y2 dx af = 2(5x4y3 + 6) dy O af 2(5x^y3 + 6); %3D dx O af af 40x³y³(5x4y3 + 6); dx = 30x4y2(5x4y3 + 6) dy O af af = 30x4y2(5x4y3 + 6); = 40x³y³(5x4y3 + 6) dx dy

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