ln(x^2/1-x)=lnx+ln(2x/1+x)
2a-4b+3ab-5a+2b
$2^{2x}$ + $2^{x + 2}$ – 4 x $2^{3}$ = 0
\lim _{x\to 1}\left(\frac{3X-\sqrt{X+8}}{2-\sqrt{X+3}}\right)
2/7$\sqrt{2}$ $^{2}$
2/7$\sqrt{2}$ $a^{2}$
2
2x
+2
x+2
−4⋅2
3
=0