Respuesta:
41
Explicación paso a paso:
Reemplazamos:
a * b = 5a + 2b
[(-2) * (-4)]
(-2)*(-4)=5(-2)+2(-2)=-10+-4=-14
[(+3)*(-1)]
(3) * (-1)=5(3)+2(-1)=15-2=13
ENTONCES
a Δ b = b − 2a
[(-2) * (-4)] Δ [(+3)*(-1)]
-14 Δ 13
13-2(-14)
13-(-28)
13+28
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Respuesta:
41
Explicación paso a paso:
Reemplazamos:
a * b = 5a + 2b
[(-2) * (-4)]
(-2)*(-4)=5(-2)+2(-2)=-10+-4=-14
[(+3)*(-1)]
(3) * (-1)=5(3)+2(-1)=15-2=13
ENTONCES
a Δ b = b − 2a
[(-2) * (-4)] Δ [(+3)*(-1)]
-14 Δ 13
13-2(-14)
13-(-28)
13+28
41