Oblicz iloraz x i y.
x ( 2 -√5) (2 -√5)
-- = -------- * ---------
y ( 2 + √5) (2 -√5)
x (2 -√5)*(2 -√5)
-- = ------------------ =
y 2² - (√5)²
x (2 -√5)²
-- = ----------
y 4 - 5
x 2² - 2*2*√5 + (√5)²
--- = ----------------------
y (-1)
x 4 -4√5 +5
-- = -----------
x - 4√5 +9
-- = ----------- = 4√5 -9
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Oblicz iloraz x i y.
x ( 2 -√5) (2 -√5)
-- = -------- * ---------
y ( 2 + √5) (2 -√5)
x (2 -√5)*(2 -√5)
-- = ------------------ =
y 2² - (√5)²
x (2 -√5)²
-- = ----------
y 4 - 5
x 2² - 2*2*√5 + (√5)²
--- = ----------------------
y (-1)
x 4 -4√5 +5
-- = -----------
y (-1)
x - 4√5 +9
-- = ----------- = 4√5 -9
y (-1)