Hi prateek,
is the 1st expression this...........?
(9+4

3+4

2+2

6)
1/4 or (9+4

3+4

2+2

6)
1/2 ??? ;
if it is only sqrt & not 4th rt ,
then u get it as (2+

3+

2) ;
2nd exp is (1+

3) ......as solved above...
So, subtracting 2nd from 1st , u get (1+

2).....ans