f(x) = (x – a1) (x – a2)…. (x – an) what is 
? For some a ≠ a1, a2….an, compute 
.
f(x) = (x – a1) (x – a2)…. (x – an) what is ? For some a ≠ a1, a2….an, compute .
? For some a ≠ a1, a2….an, compute .
Since f(x) is a polynomial of degree n, the
could be found by putting x - a1 in f(x).
Thus 
= (a1 - a1) (a1 - a2)….. (a1 - an) = 0
Similarly, 
= (a - a1) (a1 - a2)….. (a - an)
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where f(x) = 
= - 5.
and if 
= f(I). What are the possible values and a and b?
For what value(s) of a does 
= π , evaluate 