Patrick B. answered 04/28/20
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Math and computer tutor/teacher
xy' + y = 10 + 9yy'
y - 10 = 9yy' - xy'
y-10 = y' (9y - x)
(y-10)/(9y-x) = y'
Elizabeth G.
asked 04/28/20Find dy/dx by implicit differentiation.
Square root of xy= 10x + 9y2
Patrick B. answered 04/28/20
Math and computer tutor/teacher
xy' + y = 10 + 9yy'
y - 10 = 9yy' - xy'
y-10 = y' (9y - x)
(y-10)/(9y-x) = y'
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