Упрости выражение:
(12+5√6)⋅(12−5√6)
[tex](12 + 5 \sqrt{6}) \times (12 - 5 \sqrt{6} )[/tex]
(12+5√6)⋅(12−5√6)
[tex](12 + 5 \sqrt{6}) \times (12 - 5 \sqrt{6} )[/tex]
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Ответ:
(а-в)(а+в)=а^2-в^2
значит
12^2-(5sqrt(6))^2=144-25×6=144-150=-6