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Denisa15
a fost răspuns

Calculati: a) |√3-√2|+|√3+√2|-|√2-√3|
              b)|1-√3|+|2-√3|-|√3-3|
              

Răspuns :

Carmymonik
[tex] \sqrt{3} - \sqrt{2} + \sqrt{3} + \sqrt{2} + \sqrt{2} - \sqrt{3} = \sqrt{3} +\sqrt{2} } [/tex]
pt.ca √3>√2 atunci I√2-√3I=I√3-√2I
a)I√3-√2|+|√3+√2|-|√2-√3|=
√3-√2+√3+√2-I√3-√2I=
2√3-(√3-√2)=
2√3-√3+√2=√3+√2

b)|1-√3|+|2-√3|-|√3-3|=
1-√3+2-√3-I3-√3I=
3-2√3-(3-√3)=
3-2√3-3+√3=-√3

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