The curve for which the length of the no...

The curve for which the length of the normal is equal to the length of the radius vector is/are (a) circles (b) rectangular hyperbola (c) ellipses (d) straight lines

only circles

only rectangular hyperbola

either circles or rectangular hyperbolas

none of these

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OBJECTIVE RD SHARMA ENGLISH-DIFFERENTIAL EQUATIONS-Exercise

The solution of (dv)/(dt)+k/m v=-g is
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ydx-xdy+3x^(2)y^(2)e^(x^(3))dx=0
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The curve for which the length of the normal is equal to the length ...
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The family of curves represented by (dy)/(dx) = (x^(2)+x+1)/(y^(2)+y+1...
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The form of the differential equation of the central conics, is
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The solution of the differential eqaution (x^(2)-yx^(2))(dy)/(dx)+y^...
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The solution of differential equation (dy)/(dx)+(2xy)/(1+x^(2))=(1)/(1...
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The equation of the curve through the point (1,0) which satisfies the ...
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The differential equation of family of curves x^(2)+y^(2)-2ax=0, is
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The solution of the differential equation (dy)/(dx)-(tany)/(x)=(tany...
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The solution of (dy)/(dx)+2y tanx=sinx, is
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Solve the each of the following differential equation: (dy)/(dx)+y/...
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Solve the differential equation: (1+y^2) + ( x - e^(tan^-1 y) ) dy/dx...
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Solution of x(dy)/(dx)+y=xe^(x), is
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The tangent at any point (x , y) of a curve makes an angle tan^(-1)(2x...
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The integrating factor of the differential equation (dy)/(dx) + y = (1...
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The degree of the differential equation corresponding to the family of...
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The degree of the differential equation of all curves having normal of...
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The differential equation of the family of ellipses having major and m...
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Find the differential equation satisfying the relation sqrt(1+x^(2))+s...
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