Question

Нужна помощь со знаменателем!

Answer 1

$\frac{x^2-4x+3}{3* 5^{2x} +5*3^x-5^x*3^x*5^x-3*5} \geq 0 \\ \\ \frac{(x-1)(x-3)}{ 5^{2x}(3-3^x)-5(3-3^x) } \geq 0 \\ \\ \frac{(x-1)(x-3)}{( 5^{2x}-5)(3^x-3) } \leq 0 \\ \\ \frac{(x-1)(x-3)}{(x-1)(2x-1)} \leq 0 \\ \\ +++(1/2)---(1)---[3]++++$

x∈(1/2;1)U(1;3]

Answer 2

Ответ:..........................