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IMPORTANT
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The graph of the function y=f(x) passing through the point (0,2) and satisfying the differential equation dydx+ycosx=cosx is such that

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Important Questions on Differential Equations

MEDIUM
JEE Main/Advance
IMPORTANT
Orthogonal trajectories of the system of curves dydx2=ax are
MEDIUM
JEE Main/Advance
IMPORTANT
A curve has the property that area of triangle formed by the x-axis, the tangent to the curve and radius vector of the point of tangency is k2. The equation of all such curves passing through (0,1) is xk2=a2y-by, then
HARD
JEE Main/Advance
IMPORTANT
The tangent at any point P of a curve C meets the x-axis at Q whose abscissa is positive and O P=O Q, O being the origin, the equation of curve C satisfying these conditions may be
HARD
JEE Main/Advance
IMPORTANT
Consider a curved mirror y=f(x) passing through (8,6) having the property that all light rays emerging from origin, after getting reflected from the mirror becomes parallel to x-axis. The equation of the mirror is ya=bc-xd where a, b, c, d are constants, then
HARD
JEE Main/Advance
IMPORTANT
The equation of all possible curve that might be orthogonal to the family of curves represented by x2+y2-2cx=0 (where c is a parameter) may be
HARD
JEE Main/Advance
IMPORTANT
If a mothball loses volume by evaporation at a rate proportional to its instantaneous area. If the diameter of the ball decreases from 2 cm to 1 cm in 3 months, so the time before which the ball has practically gone is
MEDIUM
JEE Main/Advance
IMPORTANT
Let a curve passes through (3,2) and satisfied the differential equation (x-1) d x+4(y-2) d y=0