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Question
Mathematics
Evaluate: displaystyle lim x arrow a ((x+2)5 / 3-(a+2)5 / 3/x-a).
Q. Evaluate:
x
→
a
lim
x
−
a
(
x
+
2
)
5/3
−
(
a
+
2
)
5/3
.
2979
191
Limits and Derivatives
Report Error
A
3
−
5
(
a
+
2
)
2/3
8%
B
3
5
(
a
−
2
)
2/3
14%
C
3
5
(
a
+
2
)
−
2/3
5%
D
3
5
(
a
+
2
)
2/3
73%
Solution:
x
→
a
lim
x
−
a
(
x
+
2
)
5/3
−
(
a
+
2
)
5/3
=
x
→
a
lim
(
x
+
2
)
−
(
a
+
2
)
(
x
+
2
)
5/3
−
(
a
+
2
)
5/3
=
y
→
b
lim
y
−
b
y
5/3
−
b
5/3
where
x
+
2
=
y
,
a
+
2
=
b
. and when
x
→
a
,
y
→
b
=
3
5
b
5/3
−
1
=
3
5
b
2/3
=
3
5
(
a
+
2
)
2/3