oo / | | // 2 \ / 2\ \ | \\x + 2*y/*d*y + \2*x + y /*d*y/ dx | / 2
Integral(((x^2 + 2*y)*d)*y + ((2*x + y^2)*d)*y, (x, 2, oo))
Integrate term-by-term:
The integral of a constant times a function is the constant times the integral of the function:
The integral of a constant times a function is the constant times the integral of the function:
Integrate term-by-term:
The integral of a constant times a function is the constant times the integral of the function:
The integral of is when :
So, the result is:
The integral of a constant is the constant times the variable of integration:
The result is:
So, the result is:
So, the result is:
The integral of a constant times a function is the constant times the integral of the function:
The integral of a constant times a function is the constant times the integral of the function:
Integrate term-by-term:
The integral of is when :
The integral of a constant is the constant times the variable of integration:
The result is:
So, the result is:
So, the result is:
The result is:
Now simplify:
Add the constant of integration:
The answer is:
/ | / 3 \ | // 2 \ / 2\ \ / 2 2\ |x | | \\x + 2*y/*d*y + \2*x + y /*d*y/ dx = C + d*y*\x + x*y / + d*y*|-- + 2*x*y| | \3 / /
2 3 20*d*y oo*sign(d*y) - 4*d*y - 2*d*y - ------ 3
=
2 3 20*d*y oo*sign(d*y) - 4*d*y - 2*d*y - ------ 3
oo*sign(d*y) - 4*d*y^2 - 2*d*y^3 - 20*d*y/3
Use the examples entering the upper and lower limits of integration.