Решите два уравнения
1 (8x+25)/10=36/5 8x+25=72 8x=47 x=47/8 x=5 7/8 2 2^(x+1/x)=a a²-5a+4=0 a1+a2=5 U a1*a2=4 a1=1⇒2^(x+1/x)=1⇒x+1/x=0⇒x²+1=0 нет решения a2=4⇒2^(x+1/x)=4⇒x+1/x=2⇒x²-2x+1=0⇒(x-1)²=0⇒x-1=0⇒x=1
![3 ^{-11x/2} *3 ^{[3(7+15x)+4(12x+1)]/10} =3^7*3 ^{1/5}](https://tex.z-dn.net/?f=3+%5E%7B-11x%2F2%7D+%2A3++%5E%7B%5B3%287%2B15x%29%2B4%2812x%2B1%29%5D%2F10%7D+%3D3%5E7%2A3+%5E%7B1%2F5%7D+ "3 ^{-11x/2} *3 ^{[3(7+15x)+4(12x+1)]/10} =3^7*3 ^{1/5}")
