explain please
2. Which one of the following DE is exact? a. (x+y)dx+(xy+1) dy=0 b (e + y)<x+ſe+x)dy = 0 c.(ye* +1) dx +(e' + xy) dy = 0 d. (sin x+cos y) dx +(cos x +sin y) dy = 0 e. (eº+1) dx +(e? + 2) dy = 0 3. The solution of the following separable DE xy' =-y? is a. y= '+c b. y=- c. y = In x+c In x+c d. In y=x? + e. yer+C 4....
Solve the given differential equation. 9) dy + y = 14 +6 cos 3x 9) dx² B) y = ci sin x + c2 cos A) y=cı sin x +c2 cos x + cos 3x +14 C)y=cı sin x +c2 cos x - cos 3x +14 D) y=q sin x +02 cos x - sin 3x+14
solve the given de or ivp
3. [2xy cos (x²y) - sin x) dx + rcos (2²y) dy = 0.
solve using Exact and Non-Exact DE
13. -y dx +(x - x) dy 0 dy 0
Solve the given initial value problem. dx = 3x + y - e 3t. dt x(0) = 2 dy = x + 3y; dt y(0) = - 3 The solution is x(t) = and y(t) = 0
solve dy/dx + (-4/x)y=x^5e^x
4. (3 pts) Solve de + y = x5 e.
Calculus 3
Evaluate
SOLVE NUMBER 30
Evaluate x2 dx dy (x + 4y3) dx dy x + 4y dx dy cos(2x + y) dy dx e-3x-4y dy dx
Solve this initial value problem a) 1/2 dy/dx = rad(y+1) cos x, y(pi)=0
Solve the equation (3x?y - 1)dx + (y - 4x?y-2)dy = 0 is an arbitrary constant, and V by multiplying by the integrating factor. An implicit solution in the form F(x,y) = C is = C, where (Type an expression using x and y as the variables.)
4. (a Let (sin( x cos( ) dr + (x cos(x + y) - 2) dy. dz= Show that dz is an exact differential and determine the corresponding function f(x,y) Hence solve the differential equation = z sin( Cos( y) 2 x cos( y) dy 10] (b) Find the solution of the differential equation d2y dy 2 y e dx dæ2 initial conditions th that satisfi 1 (0) [15] and y(0) 0
4. (a Let (sin( x cos( ) dr...