The middle term in the expansion of ( x +1) ^3
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1
Answer:
Correct option is
A
6n
C
3n
(−x)
3n
Given, (1−3x+3x
2
−x
3
)
2n
=[(1−x)
3
]
2n
=(1−x)
6n
Middle term =
2
N
+1
=
2
6n
+1
=(3n+1)
th
term
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