решите неравенство log2 (x+1)<1</p>
0} \atop {x+1<2}} \right." alt="\left \{ {{x+1>0} \atop {x+1<2}} \right." align="absmiddle" class="latex-formula">
-1} \atop {x<1}} \right." alt="\left \{ {{x>-1} \atop {x<1}} \right." align="absmiddle" class="latex-formula">
x∈(-1; 1)