Caleulate all first ordeT partial derivatives of the finction y 2nin(r²) ekan '(-y) + + cos2(xz2)

Find second partial derivatives

JU ƏT Calculate the partial derivatives and using implicit differentiation of (TU – V)² In (W – UV) = ln (6) ƏT au at (T, U, V, W) = (1, 5, 6, 36). (Use symbolic notation and fractions where needed.) JU ƏT ƏT JU

af af (8) Find the partial derivatives dx' dy of the following functions. (a) f(x, y) = sin(2x + 5y) (c) f(x, y) = /9 – x² – y2 (b) f(x, y) = x*y + (d) f(x, y) = tan-'(xy) %3D