Question

solve for x and y
[x y] - [-y x]= [4 6]
[-y x] [-y x] [-4 6]

I have no clue what to do with this problem.

Answer 1

this is a matrix problem

Answer 2

U need to solve the left first then make an equation with the right...

Answer 3

thats the problem when i was junior school...

Answer 4

can you show me an example?

Answer 5

( x^2 + y^2 )- (-xy-xy) = 48
x^2 + y^2 +2xy = 48

Answer 6

that be (x+y)^2 = 48
(x+y) = \[\sqrt{48}\]

Answer 7

Ok I see

Answer 8

thank you