Question

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MULTIPLICAR: (2 + 3 √2 ) POR ( 5 - 2 √2 )

A) 5 + 11√2
B)3 -12 √2
C) – 2 + 11√2
D) N.A

Answer 1

Explicación paso a paso:

$(2 + 3 \sqrt{2} )(5 - 2 \sqrt{2} ) = 10 - 4 \sqrt{2} + 15 \sqrt{2} - 6 \times 2 \\ 10 + 11 \sqrt{2} - 12 \\ - 2 + 11 \sqrt{2}$