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2-√3-a√3 +a*3 = √3
2 - a√3 + 3a = 2√3
3a - a√3 = 2√3-2
a(3-√3) = 2√3-2
a = (2√3-2)/(3-√3) - usuwanie niewymiernosci
(2√3-2)/(3-√3) * 3+√3/3+√3 = (2√3-2)(3+√3)/9-3 = 6√3 + 2*3 - 6 - 2√3/6
6√3+6-6-2√3=4√3/6 = 2√3/3
a = 2√3/3
2-2√3 - a√3+a√3*3=√3
2-2√3-a√3+3a=√3
3a-a√3=2√3-2
a(3-√3)=2√3-2
2√3-2
a= ----------
(-√3+3)
2√3-2 * (√3-3)
a= ---------------------
(-√3-3) * ( √3-3)
4√3
a= ----------
6
4-12-3a²+9a²=3
6a²=11
a²=11/6
a=√11/6