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96Forever
96Forever asked in Matematica e scienzeMatematica · 6 years ago

Chi sa fare questa disequazione esponenziale? grazie?

-4^x - 3 × 2^x > 2^2x - 2^x

2 Answers

Rating
  • ?
    Lv 5
    6 years ago

    se chiami y:=2^x, la disequazione è:

    -y^2 - 3y > y^2 - y <==> 2y^2 + 2y < 0 <==> 2y(y+1)<0 <==> -1 < y < 0.

    Continua tu...

  • ?
    Lv 4
    6 years ago

    io la so fare

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