Permutations and combinations
(( )) ( ) 2013 1 ( ...
( )55 ( Group 1 ) Q3.Solve the equation
alnasiry
( )
1) 2)
x>0
(( )) ( ) ( )... ()2 / ( ) () ...
(( )) () ...minimum value ( ...
: 1 (0 1 )
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