If 3 sin x y-4 cos x y-5- then d y d x-a -yxb 3 sin x y-4 cos x y 3 cos x y-4 sin x yc 3 cos x y-4 sin x y 4 cos x y-3 sin x yd none of these

(a) yx We #160;have, #160;3 #160;sinxy+4 #160;cosxy=5 #160; #8658; #160; #160; #160; #160;3 #160;cosxyxdydx+y 4 #160;sinxyxdydx+y=0 ...

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Implicit Differentiation

If 3 sin x y+...

Question

If $3 \sin (x y) + 4 \cos (x y) = 5, then \frac{d y}{d x} =$

(a) $- \frac{y}{x}$

(b) $\frac{3 \sin (x y) + 4 \cos (x y)}{3 \cos (x y) - 4 \sin (x y)}$

(c) $\frac{3 \cos (x y) + 4 \sin (x y)}{4 \cos (x y) - 3 \sin (x y)}$

(d) none of these

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