Math, asked by msingh03058, 5 months ago

Evaluate the following 19c17+19c18

Answers

Answered by anugupta000005

0

Answer:

n

C

r

=

(n−r)!r!

n!

19

C

18

+

19

C

17

=

18!

19!

+

17!2!

19!

=19+

2

19×18

=19+171

=190

Answered by Anonymous

0

Answer:

( 19c +17 )+( 19c +18 )

=> (19c + 19c) +( 18 + 17)

=> 38c + 35

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