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1.
If 
, then 
is equal to
, then is equal to
2.
If the coefficients of second, third and fourth terms in the expansion of 
are in A.P., then
are in A.P., then
3.
If 
, then the coefficient of 
in the expansion of 
, is
, then the coefficient of in the expansion of , is
4.
5.
If 
then 
is equal to
then is equal to
6.
7.
If the ratio of the 7th term from the beginning to the seventh term from the end in the expansion of 
is 
then 
is
is then is
8.
If in the expansion of 
sum of the coefficients of 
and 
is zero, then 
sum of the coefficients of and is zero, then
9.
The range of the values of the term independent of 
in the expansion of 
is
in the expansion of is
10.
is equal to
is equal to