Question

Find three equations and three unknowns such that (x; y; z) = (2; 4; 1) as
the only solutions.
can any tell me how to do it

Answer 1

do you know matrix algebra? some techniques involving matrices is the way i would do it....

Answer 2

can u please tell me how to do it

Answer 3

i know matrix

Answer 4

basically you set up a simple matrix equation...

[3by3 coefficient matrix][3by1 variable matrix]=[3by1 solution matrix]

Answer 5

then just multiply by inverse of variable matrix to isolate the coefficient matrix. from there you can write the equations...

Answer 6

thanx i got it