Question 7 Find the partial derivative of z with respect to x 8: da = -2x (3x²+1) sin(x²) + 6xcos (²) Əz -2xy (3r² + 1) sin(x²y) + 6xcos (r²y) -2x (3x² + 1) sin(x²y) + 6xcos (x²y) -2xy' (3x² + 1) sin(x²y) - 6xcos (x²y) O None of the choices for 2 = (3x² + 1) cos(x²y).

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