Question

(1/5)^(x-1)-(1/5)^(x+1)>4,8 решить неравенства

Answer 1

$left(frac15right)^{x-1}-left(frac15right)^{x+1} textgreater 4,8\5cdotleft(frac15right)^x-frac15cdotleft(frac15right)^x textgreater 4,8\left(5-frac15right)cdotleft(frac15right)^x textgreater 4,8\frac{24}5cdotleft(frac15right)^x textgreater frac{24}5\left(frac15right)^x textgreater 1\left(frac15right)^x textgreater left(frac15right)^0\x textless 0$

Answer 2

без тебя бы пропал