Question

Ś
r."C
The value of -1 "C- is​

Answer 1

Answer

50

C

4

+

1

∑

6

56−r

C

3

50

C

4

+

55

C

3

+

54

C

3

+

53

C

3

+

52

C

3

+

51

C

3

+

50

C

3

Property :-

m

C

n

+

m

C

n+1

=

m+1

C

n+1