Question

3 root 147 minus 7 upon 3 root 1 upon 3 minus 1 upon root 27

Answer 1

$21 \sqrt{3} - \frac{7 }{3 \sqrt{3} } - \frac{1}{3 \sqrt{3} } \\ = \frac{189 - 7 - 1}{3 \sqrt{3} } \\ = \frac{181}{3 \sqrt{3} } ans$