Oblicz wartość wyrażenia.
(m-2)^2 - (m -pierwiastek z 3)^2 dla m = 2+ pierwiastek z 3
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(m-2)² - (m -√3)²=
=m²-4m+4- (m²-2√3m +3)=
=m²-4m+4-m²+2√3m-3=
=-4m+2√3m+1
-4(2+√3)+2√3(2+√3)+1=
=-8-4√3+4√3+6+1=
=-1
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(m-2)² - (m -√3)²=
=m²-4m+4- (m²-2√3m +3)=
=m²-4m+4-m²+2√3m-3=
=-4m+2√3m+1
-4(2+√3)+2√3(2+√3)+1=
=-8-4√3+4√3+6+1=
=-1