Differential EquationHard
Question
A curve passes through the point 
Let the slope of the curve at each point (x, y) be 
. Then the equation of the curve is
Let the slope of the curve at each point (x, y) be . Then the equation of the curve is Options
A.
B.
C.
D.
Solution
Let y = vx
cos vdv
Sin v = ln x + c
∴ passing through
∴
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