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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
b
x
4
+
4
x
3
−
12
x
+
7
f(x)=bx^{4}+4x^{3}-12x+7
f
(
x
)
=
b
x
4
+
4
x
3
−
12
x
+
7
. a. (i) Find
f
′
(
x
)
f'(x)
f
′
(
x
)
. b. (ii) If
f
′
(
1
)
=
0
f'(1)=0
f
′
(
1
)
=
0
, determine the value of
b
b
b
.
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