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A Δ B = 3A - AB ; calcular : [( - 2) Δ ( - 5)] Δ [( - 1) Δ ( + 3)]?

A Δ B = 3A - AB ; calcular : [( - 2) Δ ( - 5)] Δ [( - 1) Δ ( + 3)].

10RoySolarB

En resumen

* [( - 2) ∆ ( - 5)] = 3( - 2) - ( - 2)( - 5) = ( - 6) - (10) = - 16 * [( - 1)∆( + 3)] = 3( - 1) - ( - 1)( + 3) = ( - 3) - ( - 3) = ( - 3) + 3 = 0 * [ - 16∆0] = 3( - 16) - ( - 16)(0) = ( - 48) - (0) = - 48.

Mejor respuesta

Juanishernandez

9

* [( - 2) ∆ ( - 5)] = 3( - 2) - ( - 2)( - 5) = ( - 6) - (10) = - 16 * [( - 1)∆( + 3)] = 3( - 1) - ( - 1)( + 3) = ( - 3) - ( - 3) = ( - 3) + 3 = 0 * [ - 16∆0] = 3( - 16) - ( - 16)(0) = ( - 48) - (0) = - 48.