If $$\sqrt 5= 2.236{\text{,}}$$then the value of $$\frac{1}{{\sqrt 5 }}$$is = ?

If $$\sqrt 5= 2.236{\text{,}}$$then the value of $$\frac{1}{{\sqrt 5 }

1.	If $$\sqrt 5= 2.236{\text{,}}$$then the value of $$\frac{1}{{\sqrt 5 }}$$is = ?
A.	0.367
B.	0.447
C.	0.745
D.	one of these
Answer» C. 0.745