załącznik
(x+3y)(x-3y) + (x+2y)²- (2x²-5y²)= x²-9y²+x²+4xy+4y²+2x²+5y²= 4xy
4*√2*√8=16
zad.2
Aczęśc wspólna B (-1,√2)
A\B = (-3,0,√3,π, 4⅓)
A\N= ( -3,-1,√3,π,4⅓)
3x+5y=1 ---> x=-2y-1 --> x= -2y - 1 ---> y=-4
x+2y+2=1---> 3(-2y-1)+5y=1--> -6y -3+5y=1-->x=7
sory ale ostatniego nie wiem
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(x+3y)(x-3y) + (x+2y)²- (2x²-5y²)= x²-9y²+x²+4xy+4y²+2x²+5y²= 4xy
4*√2*√8=16
zad.2
Aczęśc wspólna B (-1,√2)
A\B = (-3,0,√3,π, 4⅓)
A\N= ( -3,-1,√3,π,4⅓)
3x+5y=1 ---> x=-2y-1 --> x= -2y - 1 ---> y=-4
x+2y+2=1---> 3(-2y-1)+5y=1--> -6y -3+5y=1-->x=7
sory ale ostatniego nie wiem