Question Number 168881 by Eulerian last updated on 20/Apr/22 | ||
$$\:\mathrm{sin}\left(\pi\sqrt{\mathrm{ix}}\right)\:+\:\mathrm{sinh}\left(\pi\sqrt{\mathrm{ix}}\right)\:=\:\mathrm{0} \\ $$$$\: \\ $$$$\:\mathrm{Find}\:\mathrm{all}\:\mathrm{the}\:\mathrm{real}\:\mathrm{value}/\mathrm{s}\:\mathrm{of}\:\mathrm{x}. \\ $$ | ||
Answered by MJS_new last updated on 20/Apr/22 | ||
$$\mathrm{sin}\:{t}\:+\mathrm{sinh}\:{t}\:=\mathrm{0}\:\Rightarrow\:{t}=\mathrm{0} \\ $$$$\pi\sqrt{\mathrm{i}{x}}=\mathrm{0}\:\Rightarrow\:{x}=\mathrm{0} \\ $$ | ||