Question

√21√9/√63
$\frac{ \sqrt{21 \sqrt{9} } }{ \sqrt{63 =} }$
​

Answer 1

Answer:

ok

Step-by-step explanation:

21√9/√63

Answer 2

Answer:

$1$

Step-by-step explanation:

$\frac{\sqrt{21\sqrt{9} } }{\sqrt{63} }$

$=\frac{\sqrt{(3)(3)(7) } }{\sqrt{(3)(3)(7)} }$

⇒ $1$

∴ $\frac{\sqrt{21\sqrt{9} } }{\sqrt{63} }=1$