Arrange in descending order of magnitude:
, 
and 
.
The given surds are of order 3,6 and 9 respectively.
The L.C.M. of 3, 6 and 9 is 18.
Reducing each surd to a surd of order 18,
= 
= 
= 
= 
= 
= 
= 
= 
= 
Hence , > >
> 
> 
.
The L.C.M. of 3, 6 and 9 is 18.
Reducing each surd to a surd of order 18,
= = = = = = = = = Hence ,
> > > > . AI is thinking…
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(ii) 5
+ 
- 8
+ 15
+ 