Finn y′y'y′ for 3x2+xy−y2=43x^2 + xy - y^2 = 43x2+xy−y2=4.
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Deriver: 6x+y+xy′−2yy′=06x + y + xy' - 2yy' = 06x+y+xy′−2yy′=0. y′(x−2y)=−6x−yy'(x-2y) = -6x-yy′(x−2y)=−6x−y. y′=(6x+y)/(2y−x)y' = (6x+y)/(2y-x)y′=(6x+y)/(2y−x).
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