Предмет: Математика, автор: cherenectkaia

Показать что значение выражения (2√3-1)2+(√3+2)2 является натуральным числом

Ответы

Автор ответа: fiofionina

1

Решение:
(2√3-1)² + (√3+2)²=(2√3)²- 4√3+1 + (√3)² + 4√3+4=12+1+3+4=20-натуральное число

Ответ: 20-число натуральное

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