Question

urgent answer fast ...........​

Answer 1

Answer:

YOU JUST USE THE IDENTITY

${a}^{2} - {b}^{2} = (a + b)(a - b)$

$({ {13}^{2} - {5}^{2} })^{ \frac{3}{2} } \\ \\ = {144}^{ \frac{3}{2} } = ({ \sqrt{144} })^{3} = {12}^{3} = 1728$

Answer 2

See the answer and explanation above.