Let be a polynomial of degree four having extreme values at
if
then is equal to :
-8
-4
0
4
As we learnt in
Evaluation of limits : (algebraic limits) : (Method of direct substitution) -
- wherein
Means at x = a f(x) defined.
Let
for finite value d=0, e=0
c=2
Now
So that
b=-2
c=2
So
=8-16+8=0
Option 1)
-8
This option is incorrect
Option 2)
-4
This option is incorrect
Option 3)
0
This option is correct
Option 4)
4
This option is incorrect
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