Question Number 62880 by YSN last updated on 26/Jun/19
$${when}\:\:{f}\left({E}^{{c}} \right)\:{is}\:{equal}\:{to}\:\left({f}\left({E}\right)\right)^{{c}} \\ $$
Commented by kaivan.ahmadi last updated on 26/Jun/19
$${explain}\:{the}\:{question}\:{please} \\ $$