Question

$7 ^{2} - 5^ {2}$
(с^5)^2*с^6\с^15​

Answer 1

Ответ:

${7}^{2} - {5}^{2} = (7 - 5)(7 + 5) = 2 \times 12 = 24$

${ {c}^{5} }^{2} \frac{ {c}^{6} }{ {c}^{15} } = {c}^{5 \times 2 + 6 - 15} = {c}^{1} = c$