X^2-36=0
(x-6)(x+6)=0
x1=6
x2=-6
6>-6
Ответ: 6
<span>Cos^{2}30/Sin^{4}45
сos30=</span>√3/2
sin45=√2/2
3/4 : 4/16=3/4*4=3
A) f(-1)=(-1)³=-1, f(1/2)=(1/2)³=1/8, f(2)=2³=8
b) f(-1)=(-1)²-3*(-1)+2=-1+3+2=4
f(1/2)=(1/2)²-3*(1/2)+2=1/8-3/2+2=0.25-1.5+2=2.25-1.5=0.75
f(2)=2²-3*2+2=4-6+2=0
![f(-1)=\frac{-1-2}{(-1)^2-1}= \frac{-3}{1-1} = \frac{-3}{0}](https://tex.z-dn.net/?f=%20f%28-1%29%3D%5Cfrac%7B-1-2%7D%7B%28-1%29%5E2-1%7D%3D%20%5Cfrac%7B-3%7D%7B1-1%7D%20%3D%20%20%5Cfrac%7B-3%7D%7B0%7D%20%20)
, не существует
![f( \frac{1}{2})= \frac{0.5-2}{(0.5)^2-1}= \frac{-1.5}{0.25-1}= \frac{-1.5}{-0.75}=2](https://tex.z-dn.net/?f=%20f%28%20%5Cfrac%7B1%7D%7B2%7D%29%3D%20%5Cfrac%7B0.5-2%7D%7B%280.5%29%5E2-1%7D%3D%20%5Cfrac%7B-1.5%7D%7B0.25-1%7D%3D%20%5Cfrac%7B-1.5%7D%7B-0.75%7D%3D2%20%20%20)
![f(2)= \frac{2-2}{2^2-1}=0](https://tex.z-dn.net/?f=f%282%29%3D%20%5Cfrac%7B2-2%7D%7B2%5E2-1%7D%3D0%20)
d)
![d) f(-1)=\frac{1}{(-1)^3} =-1, f(0.5)= \frac{1}{(0.5)^3}= \frac{1}{0.125}=8 f(2)= \frac{1}{2^3}=0.125](https://tex.z-dn.net/?f=d%29%20f%28-1%29%3D%5Cfrac%7B1%7D%7B%28-1%29%5E3%7D%20%3D-1%2C%20%20f%280.5%29%3D%20%5Cfrac%7B1%7D%7B%280.5%29%5E3%7D%3D%20%5Cfrac%7B1%7D%7B0.125%7D%3D8%0Af%282%29%3D%20%5Cfrac%7B1%7D%7B2%5E3%7D%3D0.125%20%20%20)
Ответ:
<u><span>(Подстановка значения</span></u> <em /><u> tg(2*atan(1/3))^2+3/5
</u>