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Mathematics
If 1+(2+ 49 C 1+ 49 C 2+ ldots ldots+ 49 C 49) ( 50 C 2+ 50 C 4+ ldots . .+ 50 C 50) is equal to 2 n . m, where m is odd, then n + m is equal to
Q. If
1
+
(
2
+
49
C
1
+
49
C
2
+
……
+
49
C
49
)
(
50
C
2
+
50
C
4
+
…
..
+
50
C
50
)
is equal to
2
n
.
m
, where
m
is odd, then
n
+
m
is equal to
1060
1
JEE Main
JEE Main 2022
Permutations and Combinations
Report Error
Answer:
99
Solution:
1
+
(
1
+
2
49
)
(
2
49
−
1
)
=
2
98
m
=
1
,
n
=
98
m
+
n
=
99