If the general solutions of a differential equation is (y+c)2=cx, where c is an arbitrary constant, then the order and degree of differential equation are:
A
1,2
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B
2,1
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C
1,1
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D
None of these
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Solution
The correct option is D1,2 Given general solution is (y+c)2=cx
Now differentiate it with respect to x on both sides
we get 2(y+c)dydx=c , Let dydx be Y
⇒c=2yY1−2Y
By substituting c in general solution , we get (y+2yY1−2Y)2=2yY1−2Yx
⇒y2=2yxY(1−2Y)=2yxY−4yxY2
Therefore the order of equation is 1 and the degree of equation is 2