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Concept: undefined >> undefined
Concept: undefined >> undefined
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Concept: undefined >> undefined
Assume that a rain drop evaporates at a rate proportional to its surface area. Form a differential equation involving the rate of change of the radius of the rain drop.
Concept: undefined >> undefined
Find the differential equation of all the parabolas with latus rectum '4a' and whose axes are parallel to x-axis.
Concept: undefined >> undefined
Show that the differential equation of which y = 2(x2 − 1) + \[c e^{- x^2}\] is a solution, is \[\frac{dy}{dx} + 2xy = 4 x^3\]
Concept: undefined >> undefined
Form the differential equation representing the family of ellipses having centre at the origin and foci on x-axis.
Concept: undefined >> undefined
Form the differential equation of the family of hyperbolas having foci on x-axis and centre at the origin.
Concept: undefined >> undefined
Verify that y = 4 sin 3x is a solution of the differential equation \[\frac{d^2 y}{d x^2} + 9y = 0\]
Concept: undefined >> undefined
Show that the function y = A cos x + B sin x is a solution of the differential equation \[\frac{d^2 y}{d x^2} + y = 0\]
Concept: undefined >> undefined
Show that the function y = A cos 2x − B sin 2x is a solution of the differential equation \[\frac{d^2 y}{d x^2} + 4y = 0\].
Concept: undefined >> undefined
Show that y = AeBx is a solution of the differential equation
Concept: undefined >> undefined
Verify that y = \[\frac{a}{x} + b\] is a solution of the differential equation
\[\frac{d^2 y}{d x^2} + \frac{2}{x}\left( \frac{dy}{dx} \right) = 0\]
Concept: undefined >> undefined
Verify that y2 = 4ax is a solution of the differential equation y = x \[\frac{dy}{dx} + a\frac{dx}{dy}\]
Concept: undefined >> undefined
Show that Ax2 + By2 = 1 is a solution of the differential equation x \[\left\{ y\frac{d^2 y}{d x^2} + \left( \frac{dy}{dx} \right)^2 \right\} = y\frac{dy}{dx}\]
Concept: undefined >> undefined
Show that y = ax3 + bx2 + c is a solution of the differential equation \[\frac{d^3 y}{d x^3} = 6a\].
Concept: undefined >> undefined
Hence, the given function is the solution to the given differential equation. \[\frac{c - x}{1 + cx}\] is a solution of the differential equation \[(1+x^2)\frac{dy}{dx}+(1+y^2)=0\].
Concept: undefined >> undefined
Show that y = ex (A cos x + B sin x) is the solution of the differential equation \[\frac{d^2 y}{d x^2} - 2\frac{dy}{dx} + 2y = 0\]
Concept: undefined >> undefined
Verify that y = cx + 2c2 is a solution of the differential equation
Concept: undefined >> undefined
Verify that y = − x − 1 is a solution of the differential equation (y − x) dy − (y2 − x2) dx = 0.
Concept: undefined >> undefined
