Предмет: Алгебра, автор: saharochek15

вычислите(5+√3)^2-10√3

Ответы

Автор ответа: kkot59

2

$(5+\sqrt{3} )^2-10\sqrt{3} =5^2+2*5*\sqrt{3} +(\sqrt{3} )^2-10\sqrt{3} =25+10\sqrt{3} +3-10\sqrt{3} =25+3=28$

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