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Problem
Problem
For a certain value of
c
c
c
,
lim
x
→
−
∞
[
(
x
5
+
7
x
4
+
2
)
c
−
x
]
=
λ
\lim_{x \to -\infty} [(x^5 + 7x^4 + 2)^c - x] = \lambda
x
→
−
∞
lim
[(
x
5
+
7
x
4
+
2
)
c
−
x
]
=
λ
is finite and non-zero. The value of
3
c
+
λ
3c + \lambda
3
c
+
λ
, is .....
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