Added: 4 years ago
From: juanmemol
Views: 15,041
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  • el resultado es 17/4

    no 18/4

  • 2 elevado a X + 2 elevado a 18 = 2 elevado a 19

    NO LA PUEDO HACER!! AYUDAME!!

  • haaa mi cabeza, tie

  • podrias haber pasado la raiz primero al otro lado y te quedaria:

    4^(-2x + 6) = (1/8)^2

    4^(-2x + 6) = 1/64

    4^(-2x + 6) = 4^(-3)

    Ya tienes la misma base. Igualas los exponentes y listo, x = 9/2. Pienso que era mas facil asi. Tu que opinas?

  • no mames,, no se ve ni madres

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