Question

найти корень уравнеиния log2 (4-x)=8

Answer 1

$log_{2} (4-x)=8 \ left { {{4-x textgreater 0} atop {4-x= 2^{8} }} right. left { {{x textless 4} atop {x=4-256}} right. left { {{x textless 4} atop {x=-252}} right.$  ⇒x=-252