Question

Aratati ca urmatoarele numere sunt patrate perfecte: 5 la puterea 36 11 la puterea 15 : 11 puterea 13 7 puterea 100 13 puterea 78 (5 puterea 6) la 7 19 puterea 25 * 19 la 7

Answer 1

$5^{36}=5^{18*2}=(5^{18}) ^{2}$ - pp.
$11^{15}:11^{13}=11^{15-13}=11^{2}$ - pp.
$7^{100}=7^{50*2}=(7^{50})^{2}$ - pp.
$13^{78}=13^{39*2}=(13^{39})^{2}$ - pp.
- nu am inteles ultimul calcul