Question

What is the value of 4C2?

Answer 1

\[_nC_r=\frac{n!}{r!(n-r)!}\]

Answer 2

4C2 = 4!/(2!*(4-2)!) = 4*3*2*1/(2*2)
= 6

Answer 3

Then just substitute n and r

Answer 4

Oh okayyy.. I see how ya'l did that now.

Answer 5

Use a calculator :)

Answer 6

I don't know how to work this out?

Answer 7

ok

Answer 8

@montana1999 did you get it?

Answer 9

@montana1999

Well see it's easy
Here,

n=4
r=2

You can use the formula.

If you want me to teach you how to use a calculator i can do that :)

Answer 10

How did ya'll become moderators?

Answer 11

I didn't.

Answer 12

i was borned a moderator ;)

Answer 13

*born

Answer 14

haha funny:D

Answer 15

@montana1999 Become an Ambassdor instead :D

Answer 16

Ambassador*