Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES)
If(x) is a polynomial in `x (> 0)` satisfying the equation `f(x)+f(1/x)=f(x).f(1/x)`and `f(2)=-7`,then `f(3) =`
A. |
-26 |
![]() |
B. |
-27 |
C. |
-28 |
D. |
-29 |