Find 
where f(x) = 
= - 5.
Find where f(x) = = - 5.
where f(x) = = - 5.
= 
putting x = 5 – h
= 
[h → 0+ as x → 5-]
= 
= 
= 0
= 
Putting x = 5 + h
= 
[h → 0+ as x → 5+]
= 
= 
= 0
Hence 
= 0
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where f(x) = 
, where f(x) = 
and if 
= f(I). What are the possible values and a and b?
? For some a ≠ a1, a2….an, compute 
.