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Find the general solution of each of the following differential equations:
ex tan y dx + (1 – ex) sec2 y dy = 0
sec2x tan y dx + sec2y tan x dy = 0
cos x(1 + cos y)dx – sin y(1 + sin x)dy = 0
For each of the following differential equations, find a particular solution satisfying the given condition :
.. where a ∈ R and y = 2 when x = 0.
it being given that y = 1 when x = 0.
x dy = (2x2 + 1) dx (x ≠ 0), given thaty = 1 when x = 1.
x2 (y + 1) dx + y2 (x – 1) dy = 0
y log y dx – x dy = 0
x(x2 – x2 y2) dy + y(y2 + x2y2) dx = 0
(1 – x2) dy + xy (1 – y) dx = 0
(1 – x2)(1 – y) dx = xy (1 + y) dy
(y + xy) dx + (x – xy2) dy = 0
(x2 – yx2) dy + (y2 + xy2) dx = 0
(ey + 1) cos x dx + ey sin x dy = 0
sin3 x dx – sin y dy = 0
Find the particular solution of the differential equation given that y = 0 when x = 1.
Find the particular solution of the differential equation x(1 + y2) dx-y(1 + x2) dy = 0, given that y = 1 when x = 0.
Find the particular solution of the differential equation given that y = 0 when x = 0.
Solve the differential equation (x2 – yx2)dy + (y2 + x2y2) dx = 0, given that y = 1 when x = 1.
Find the particular solution of the differential equation given that y = 1 when x = 0.
Find the particular solution of the differential equation given that when x = 1.
Solve the differential equation given that y(0) = 1.
Solve the differential equation given that y(2) = 3.
Solve given that y = 0 when x = 2.
Solve given that y = 1 when x = 0.
Solve given that y = 2 when x = 0.
Solve given that y = 2 when
Solve (1 + x2) sec2 y dy + 2x tan y dx = 0, given that when x = 1.
Find the equation of the curve passing through the point whose differential equation is sin x cos y dx + cos x sin y dy = 0.
Find the equation of a curve which passes through the origin and whose differential equation is
A curve passes through the point (0, -2) and at any point (x, y) of the curve, the product of the slope of its tangent and y-coordinate of the point is equal to the x-coordinate of the point. Find the equation of the curve.
A curve passes through the point (-1, 1) and at any point (x, y) of the curve, the slope of the tangent is twice the slope of the line segment joining the point of contact to the point (-4, -3). Find the equation of the curve.
In a bank, principal increases at the rate fo r% per annum. Find the value of r if ` 100 double itself in 10 years.
(Given loge 2 = 0.6931)
In a bank, principal increases at the rate of 5% per annum. An amount of ` 1000 is deposited in the bank. How much will it worth after 10 years?
(Given e0.5 = 1.648)
The volume of a spherical balloon being inflated changes at a constant rate. If initially its radius is 3 units and after 3 seconds it is 6 units. Find the radius of the balloon after t seconds.
In a culture the bacteria count is 100000. The number is increased by 10% in 2 hours. In how many hours will the count reach 200000, if the rate of growth of bacteria is proportional to the number present?