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Byju's Answer
Standard XII
Mathematics
Middle Terms
Find the midd...
Question
Find the middle term(s) in the expansion of
(
1
−
x
2
2
)
14
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Solution
(
1
−
x
2
2
)
14
Here,
n
is even, therefore middle term is
(
14
+
2
2
)
th term.
It means
T
8
is middle term
T
8
=
14
C
7
(
−
x
2
2
)
7
=
−
429
16
x
14
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