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1 Peraluate in multimea numerelor reale,
3p a) x²=81; b) x²=75
C) (x - 5)² =64
austule​


Răspuns :

Răspuns:

[tex] a. \: \: { \times }^{2} = 81 \\ \times = \sqrt{81} \\ \times = 9[/tex]

[tex]b. \: \: { \times }^{2} = 75 \\ \times = \sqrt{75} \\ \times = 5 \sqrt{3} [/tex]