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(2+√3).(2-√3)=2²-√3²
=4-3
=1
(3√2+2)²=(3√2)²+2(3√2)(2)+(2)²
=18+12√2+4
Aplicas.
Productos Notables.
(a + b)(a - b) = a² - b²
(2 + √3)(2 - √3) =
2² - (√3)² =
2 * 2 - 3 =
4 - 3 =
1
Respuesta.
1