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CBSE XI
>>
Math
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Binomial Theorem
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Q)
Show that the middle term in the expansion of
(
x
−
1
x
)
2
n
is
1
×
3
×
5
×
.
.
.
.
.
(
2
n
−
1
)
n
!
×
(
−
2
)
n
Share
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