Solving Two Problems: (-3x+2y)dy=(x-2y)dx and y*dy= - (y+cos x ) dx

[abdooo89]

i have two problem

1- (-3x+2y)dy=(x-2y)dx


2- y*dy= - (y+cos x ) dx

pleeeeeeeeeeeeeeeeeeeeeezzzzzzzzzz help me quiqly

 

[SammyS]

What have you tried?

Where are you stuck?

 

[abdooo89]

i can not seprate the variables

 

[abdooo89]

if posible plese solve it for me

 

[abdooo89]

also when i seprat the viaribles big proplem for integration

 

[LCKurtz]

For the first one try y = ux, dy = udx + xdu.

 

[abdooo89]

i try but integration is deficlult

 

[abdooo89]

pleas help

 

[LCKurtz]

For the first one try y = ux, dy = udx + xdu.

i try but integration is deficlult

pleas help

You need to show us what you have done so we can see where you are having a problem.

 

[SammyS]

i try but integration is deficlult

At least, show what you have.

You asked for help, show what efforts you have made.

 

[abdooo89]

how u can take integration for both side

 

[abdooo89]

x2 dx2+(x2+ cos x1 ) dx1=0 take integration plese help

 

[Math Is Hard]

Note: moved to Homework and Coursework Questions forum where this should have been posted.

 

[Mark44]

if posible plese solve it for me

That is strictly against the forum's policy, part of which is shown below.

https://www.physicsforums.com/showthread.php?t=414380

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