The solution of the differential equation 2xdydx−y=3 represents a family of
A
straight lines
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B
circles
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C
parabolas
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D
ellipses
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Solution
The correct option is D parabolas Correct answer is (C). Given equation can be written as 2dyy+3=dxx⇒2log(y+3)=logx+logc ⇒(y+3)2=cx which represents the family of parabolas.