The smallest natural number n , such that the coefficient of in
the expansion of is , is :
38
58
23
35
In the expansion of
General term is
For coefficient of x ,
So, we have
=>
=>
The minimum value of n be 38.
So, option (1) is correct.
Option 1)
38
Option 2)
58
Option 3)
23
Option 4)
35
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