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Tardigrade
Question
Mathematics
Let f(x)=((x3-2 x2+x)(πx-1)+(1+x2+x4)/(1-x+x2)) and g(x)= sin 2 x If . displaystyle∑ r =01 ( d 2 g / dx 2)| x = f prime( r )= a ( cos α)( cos β), where a , α, β ∈ N, then the value of ( a +α+β) is equal to
Q. Let
f
(
x
)
=
(
1
−
x
+
x
2
)
(
x
3
−
2
x
2
+
x
)
(
π
x
−
1
)
+
(
1
+
x
2
+
x
4
)
and
g
(
x
)
=
sin
2
x
If
r
=
0
∑
1
d
x
2
d
2
g
∣
∣
x
=
f
′
(
r
)
=
a
(
cos
α
)
(
cos
β
)
, where
a
,
α
,
β
∈
N
, then the value of
(
a
+
α
+
β
)
is equal to
75
118
Continuity and Differentiability
Report Error
A
4
B
6
C
8
D
10
Solution:
Correct answer is (d) 10