General solution for differentiation

Please can anyone help with these two equations.

I am asked to provide the general solutions.

a) 3^2 y^2dy/dx = 2 − 1

b) 2dy/dx + 3 = −2 − 5

Any help will be greatly appreciated!

 

a) To solve 3^2 y^2dy/dx = 2 − 1, we can first simplify it by dividing both sides by 3^2 y^2, which gives us:

dy/dx = (2 - 1)/(3^2 y^2)

dy/dx = 1/(9y^2)

Now we can separate the variables by multiplying both sides by 9y^2 and dx:

9y^2 dy = dx

Next, we integrate both sides:

∫9y^2 dy = ∫dx

3y^3 = x + C

where C is the constant of integration.

Therefore, the general solution to the differential equation is y = (x/3y^2) + C^(1/3).

b) To solve 2dy/dx + 3 = −2 − 5, we can first simplify it by subtracting 3 from both sides and dividing by 2:

dy/dx = -4/2

dy/dx = -2

Now we can integrate both sides with respect to x:

∫dy = ∫(-2)dx

y = -2x + C

where C is the constant of integration.

Therefore, the general solution to the differential equation is y = -2x + C.