Question

Divide 4√21 by 2√7


p l e a s e a n s w e r m e ​

Answer 1

Answer:

3.464101615

Step-by-step explanation:

$\frac{4 \sqrt{21} }{2 \sqrt{7} }$

$= \frac{2 \sqrt{21} }{ \sqrt{7} }$

$= \frac{2 \sqrt{21 \sqrt{7} } }{( \sqrt{7)^{2} } }$

$= \frac{2 \sqrt{21 \sqrt{7} } }{7}$

$= \frac{2 \times 7 \sqrt{3} }{7}$

$= 2 \sqrt{3}$

$= 2 \sqrt{3}$

≈3.464101615