Question Number 167336 by mnjuly1970 last updated on 13/Mar/22
$$ \\ $$ $$\:\:\:\:\:\:\:\:\mathrm{0}<\:{x}<\frac{\pi}{\mathrm{2}} \\ $$ $$\:\:\:\:\:\:{f}\left({x}\right)=\:\sqrt[{\mathrm{20}}]{{sin}\left({x}\right)\:\:\:}\:+\:\sqrt[{\mathrm{20}}]{{cos}\left({x}\right)} \\ $$ $$\:\:\:\:\:\:\:\:\:{R}_{\:{f}} \:=?\:\:\left({Range}\:\right) \\ $$ $$ \\ $$
Answered by MJS_new last updated on 13/Mar/22
$$\mathrm{0}<{f}\left({x}\right)<\mathrm{2}^{\mathrm{39}/\mathrm{40}} \\ $$