Question

1+3 radical din 3 supra minus 10 radical din7

Answer 1

${}^{ \sqrt{7)} } \frac{1 + 3 \sqrt{3} }{ - 10 \sqrt{7} } = \\ \frac{1 + 3 \sqrt{3 \times 7} }{ - 10 \times 7} = - \frac{1 + 3 \sqrt{21} }{70}$

…ᘛ⁐̤ᕐᐷ…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅ