5^x*2^-x=(2/5) (уравнение)

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    Найду корень уравнения: 5^x*2^-x=(2/5)

    Решение

    Вы ввели
    [LaTeX]
     x  -x      
    5 *2   = 2/5
    $$2^{- x} 5^{x} = \frac{2}{5}$$
    График
    [LaTeX]
    Быстрый ответ
    [LaTeX]
    x1 = -1
    $$x_{1} = -1$$
    Численный ответ
    [LaTeX]
    x1 = -106.176760093000
    x2 = -100.176760093000
    x3 = -84.1767600931000
    x4 = -60.1767600931000
    x5 = -50.1767601740000
    x6 = -80.1767600931000
    x7 = -92.1767600931000
    x8 = -62.1767600931000
    x9 = -66.1767600931000
    x10 = -128.176760093000
    x11 = -114.176760093000
    x12 = -42.1768835251000
    x13 = -116.176760093000
    x14 = -98.1767600931000
    x15 = -58.1767600932000
    x16 = -120.176760093000
    x17 = -78.1767600931000
    x18 = -126.176760093000
    x19 = -124.176760093000
    x20 = -1.00000000000000
    x21 = -74.1767600931000
    x22 = -48.1767605987000
    x23 = -90.1767600931000
    x24 = -110.176760093000
    x25 = -104.176760093000
    x26 = -88.1767600931000
    x27 = -102.176760093000
    x28 = -130.176760093000
    x29 = -38.1815925153000
    x30 = -46.1767632528000
    x31 = -52.1767601061000
    x32 = -86.1767600931000
    x33 = -64.1767600931000
    x34 = -118.176760093000
    x35 = -68.1767600931000
    x36 = -54.1767600952000
    x37 = -112.176760093000
    x38 = -72.1767600931000
    x39 = -40.1775317821000
    x40 = -108.176760093000
    x41 = -56.1767600935000
    x42 = -94.1767600931000
    x43 = -70.1767600931000
    x44 = -44.1767798413000
    x45 = -82.1767600931000
    x46 = -76.1767600931000
    x47 = -122.176760093000
    x48 = -96.1767600931000