Ответ:
[tex]\frac{3}{x} = \frac{x}{21} \\x^{2} =63\\x = 3\sqrt{7}[/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
[tex]\frac{3}{x} = \frac{x}{21} \\x^{2} =63\\x = 3\sqrt{7}[/tex]