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x^ - y^ = 47
(x + y)(x- y) =47
x = 24, to y = 23
x = -24, to y = - 23
x = -24, t0 y = 23
x = 24, to y = -23
x²-y²=47
x-y)(x+y)=47*1 (liczba pierwsza
czyli:
x-y=1
x+y=47
-------
2x=48
x=24
y=23
(x-y)(x+y)=-47*(-1)
czyli:
x-y=-1
x+y=-47
-------
2x=-48
x=-24
y=-23
(x-y)(x+y)=-47*(-1)
czyli:
x-y=-47
x+y=-1
-------
2x=-48
x=-24
y=23
x-y)(x+y)=47*1
czyli:
x-y=47
x+y=1
-------
2x=48
x=24
y=-23
sa 4 pary:(24,23),(24;-23),(-24,-23),(-24;23)