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Byju's Answer
Standard XII
Mathematics
General Term of Binomial Expansion
If n, m ∈ N...
Question
If n,
m
∈
N
and
m
=
n
2
−
n
−
35
n
−
4
, then find the value of m
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Solution
m
=
n
2
−
n
−
35
n
−
4
⟹
n
2
−
n
−
35
must be divisible by
n
−
4
which is not possible so only case is
n
−
4
=
−
1
,
n
2
−
n
−
35
<
0
or
n
−
4
=
1
,
n
2
−
n
−
35
>
0
⟹
n
=
3
,
5
(
3
)
2
−
3
−
35
<
0
,
(
5
)
2
−
5
−
35
<
0
So
n
=
3
⟹
m
=
3
2
−
3
−
35
3
−
4
=
29
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