N = 61 l h
h = N / (61 * l ) = 150 / (61 * 3 )= 150 / 183 = 0.82 (м) - округленный результат
l = N / (61 * h ) = 150 / ( 61 * 0,5 ) = 150 / 30,5 = 4,92 (м) - округленно = 5,0 (м)
2500000 руб в ЕВРО=Примерно 35714 евро.
2500000 руб в ДОЛЛАРАХ=Примерно 41666 долларов.
![\frac{ log_{4}(16x^4)+11 }{ log_{4} ^{2}x-9 } \geq -1 \\ \\](https://tex.z-dn.net/?f=+%5Cfrac%7B+log_%7B4%7D%2816x%5E4%29%2B11+%7D%7B++log_%7B4%7D+%5E%7B2%7Dx-9+%7D++%5Cgeq+-1+%5C%5C++%5C%5C+)
одз
{x>0
{x≠64
{x≠1/64
![\frac{log_{4} 16+4 log_{4}x+11+ log_{4} ^{2}x-9 }{(log_{4}x-3)(log_{4}x+3)} \geq 0 \\ \\ \frac{log_{4} ^{2}x+4log_{4}x+4}{(log_{4}x- log_{4}64 )(log_{4}x- log_{4} \frac{1}{64} )} \geq 0 \\ \\ \frac{(log_{4}x-log_{4} \frac{1}{16} )^2}{(log_{4}x- log_{4}64 )(log_{4}x- log_{4} \frac{1}{64} )} \geq 0 \\ \\ \frac{(x- \frac{1}{16})^2 }{(x-64)(x- \frac{1}{64}) } \geq 0 \\ \\](https://tex.z-dn.net/?f=+%5Cfrac%7Blog_%7B4%7D+16%2B4+log_%7B4%7Dx%2B11%2B++log_%7B4%7D+%5E%7B2%7Dx-9++%7D%7B%28log_%7B4%7Dx-3%29%28log_%7B4%7Dx%2B3%29%7D+++%5Cgeq+0+%5C%5C++%5C%5C++%5Cfrac%7Blog_%7B4%7D+%5E%7B2%7Dx%2B4log_%7B4%7Dx%2B4%7D%7B%28log_%7B4%7Dx-+log_%7B4%7D64+%29%28log_%7B4%7Dx-+log_%7B4%7D+%5Cfrac%7B1%7D%7B64%7D++%29%7D++%5Cgeq+0+%5C%5C++%5C%5C++%5Cfrac%7B%28log_%7B4%7Dx-log_%7B4%7D+%5Cfrac%7B1%7D%7B16%7D+%29%5E2%7D%7B%28log_%7B4%7Dx-+log_%7B4%7D64+%29%28log_%7B4%7Dx-+log_%7B4%7D+%5Cfrac%7B1%7D%7B64%7D++%29%7D++%5Cgeq+0+%5C%5C++%5C%5C++%5Cfrac%7B%28x-+%5Cfrac%7B1%7D%7B16%7D%29%5E2+%7D%7B%28x-64%29%28x-+%5Cfrac%7B1%7D%7B64%7D%29+%7D++%5Cgeq+0+%5C%5C++%5C%5C+)
+++++(1/64)-----------[1/16]---------(64)
x∈(-∞;1/64)U{1/16}U(64;+∞)
с учетом одз получаем ответ
x∈(0;1/64)U{1/16}U(64;+∞)