Question

find n if 2nc3/nc3=44/5​

Answer 1

Answer:

Given,

2

n

C

3

:

n

C

2

=44:3

⇒

3!(2n−3)!

2n!

:

2!(n−2)!

n!

=44:3

⇒

3(2n−3)!n!

2n!(n−2)!

=

3

44

⇒

n.(n−1)

2n.(2n−1).(2n−2)

=44

⇒4(2n−1)=4×(2×6−1)

⇒n=6

Step-by-step explanation:

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