Ух²/(1-х)²-у/(х-1)²=ух²/(х-1)²-у/(х-1)²=у(х²-1)/(х-1)²=у(х+1)(х-1)/(х-1)(х-1)=у(х+1)/(х-1)
при у=0,1; х=11
у(х+1)/(х-1)=0.1*(11+1)/(11-1)=1.2/10=0.12
1)9-х3 (в кубе)>=0<span>x<=3
2)x+1 не равно 0
x не равен 1
ОТВЕТ:x∈(-</span>∞;-1)<span>∪(-1;3]</span>
3√2+ √50 - 2√8=3√2+ 5√2 - 4√2=4<span>√2
более подробно
</span>3√2+ √50 - 2√8= 3√2+ √25*2 - 2√4*2=3√2+ 5√2 - 4√2=√2(3+5-4)=4√2
1) = интеграл (3х-9)dx = 1.5x^2 -9x+c
2)= x^4 +4x^2 -2x +c
3)=интеграл 2*x^(1/2)=2 *(1/(3/2))x^(3/2)=4x*кор(х)/3 +c
4)=интеграл (х^2-4х+4)Dx= x^3 *1/3 -2x^2 +4x +c
3^(2x)+3^(2x+1)=2*7^(2x)-5*7^(2x-1)
3^(2x-1)*(3+3^2)=7^(2x-1)*(2*7-5)
12*3^(2x-1) = 9 * 7^(2x-1)
(3/7)^(2x-1) = 9/12 = 3/4
(2x-1) log(3/4) 3/7 = 1
2x* log(3/4) 3/7 = 1 + log(3/4) 3/7
x = (1 + log(3/4) 3/7) / 2log(3/4) 3/7