find the value of 50^C47
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11th
Maths
Permutations and Combinations
Combinations
What is C(47,4) + C(51,3) +...
MATHS
What is C(47,4)+C(51,3)+C(50,3)+C(49,3)+C(48,3)+C(47,3) equal to ?
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ANSWER
Formula,
n
C
r
+
n
C
r+1
=
n+1
C
r+1
Given,
47
C
4
+
51
C
3
+
50
C
3
+
49
C
3
+
48
C
3
+
47
C
3
=
47
C
3
+
47
C
4
+
51
C
3
+
50
C
3
+
49
C
3
+
48
C
3
=
48
C
4
+
51
C
3
+
50
C
3
+
49
C
3
+
48
C
3
=
48
C
3
+
48
C
4
+
51
C
3
+
50
C
3
+
49
C
3
=
49
C
4
+
51
C
3
+
50
C
3
+
49
C
3
=
49
C
3
+
49
C
4
+
51
C
3
+
50
C
3
=
50
C
4
+
51
C
3
+
50
C
3
=
50
C
3
+
50
C
4
+
51
C
3
=
51
C
4
+
51
C
3
=
52
C
4
=C(52,4)
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