solve the system of equations where x,y are variables and a,b are constants:

x + y = a

(x^2)*y + x*(y^2) = b

Printable View

- January 25th 2010, 06:05 PMjmedsysystem of equations
solve the system of equations where x,y are variables and a,b are constants:

x + y = a

(x^2)*y + x*(y^2) = b - January 25th 2010, 06:21 PMSudharaka
Dear jmedsy,

-------A

--------B

By solving A and B you could easily get the answer. - January 25th 2010, 06:57 PMSoroban
Hello, jmedsy!

Exactly where is your difficulty?

Straight*substitution*will solve it.

Quote:

Solve the system of equations where are variables and are constants:

. . .

From [1], we have: .

Substitute into [2]: .

Expand: .

Quadratic Formula: .

Substitute into [3]: .

- January 25th 2010, 07:04 PMjmedsy
I get this answer. When I test the solutions in maple, they work in the first equation but not for the second.

nevermind i'm doing some really bizarre algebra. everything is ok now, thanks for the help - January 26th 2010, 04:26 AMHallsofIvy
Mistaken post