C2 Maths Question Help

I'm doing some homework on geometric series and one of the questions asks to find ⁶C₃
_{(that's a superscript 6 - to the power of)}

_{I've never seen this type of question before and I dont even know how to do it - it doesn't look like anything I've been taught in class.}

Reply 1

TeeEm

19

Original post by Rtdsv

I'm doing some homework on geometric series and one of the questions asks to find ⁶C₃
_{(that's a superscript 6 - to the power of)}

_{I've never seen this type of question before and I dont even know how to do it - it doesn't look like anything I've been taught in class.}

Look at the definition of combination

Reply 2

Rtdsv

OP

14

Original post by TeeEm

Look at the definition of combination

Ok thanks a lot. My teacher giving me work on things we haven't learnt yet lmao.

The answer is 20 right?

6x5x4x3x2x1/(3x2x1)x3x2x1

Reply 3

thefatone

6

Original post by TeeEm

Look at the definition of combination

nooooooooooooooooooooo 6 mins too late :_:

Original post by Rtdsv

I'm doing some homework on geometric series and one of the questions asks to find ⁶C₃
_{(that's a superscript 6 - to the power of)}

_{I've never seen this type of question before and I dont even know how to do it - it doesn't look like anything I've been taught in class.}