Asked by Jpeop6068
if 3x^2+5x+xy=1 y(1)=-7 and y'(1)= ?
I can solve for dy/dx but I don't know what to do with y(1) and y'(1)
I can solve for dy/dx but I don't know what to do with y(1) and y'(1)
Answers
Answered by
R_scott
x y = -3 x^2 - 5 x + 1 ... y = - 3 x - 5 + 1/x ... so, y(1) = - 3 - 5 + 1 = -7
y' = dy/dx = - 3 - 1/x^2 ... so, y'(1) = - 3 - 1 = -4
y' = dy/dx = - 3 - 1/x^2 ... so, y'(1) = - 3 - 1 = -4
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