Question

4root1008/63 is equal to ​

Answer 1

$\frac{4 \sqrt{1008} }{63} = \frac{ 4 \sqrt{3 \times 3 \times 2 \times 2 \times 2 \times 2 \times 7} }{63} = \frac{4 \times 3 \times 2 \times 2 \sqrt{7} }{63} = \frac{16 \sqrt{7} }{21}$