SOLUTION: How do I solve the following problem? Evaluate C(7,3). Thank you.

Question 224817: How do I solve the following problem?
Evaluate C(7,3).
Thank you.
Answer by LtAurora(115) (Show Source): You can put this solution on YOUR website!
The equation for C is: .
C is used to find the coefficient in a binomial expansion.
Another way to look at this is that the formula finds the coefficient in the Pascal triangle that corresponds to the row at the third power. Just a faster way than writing out the Pascal triangle all the time.
This one goes like this:

The 6 and the 3*2 cancel out to give us:

Which is 35.
RELATED QUESTIONS
How do you solve the following problem: Evaluate the below expression when x=9 y=4/15, (answered by tommyt3rd)

How do you solve the following problem? x/(x + 2) + 3 = -2/(x + 2). Thank... (answered by Tatiana_Stebko)

How do I solve this problem? Multiply. (4x+7)(2x^2+3x+3) thank... (answered by aib31180)

How do I solve the following problem? 2y-13-3y=-15-2y Thank you Kaytee... (answered by Alan3354)

How do I solve the following problem? Evaluate P(7,3). Thanks for your... (answered by LtAurora)

How do I solve the following: 10y=6y+7+3y Thank... (answered by algebrahouse.com)

I do not understand how to solve this problem. It says solve and check the following... (answered by Earlsdon)

How do I solve the following problem...? a/7 + 9 = 3 (answered by MathLover1,richard1234)

How do i solve the following problem?... (answered by rothauserc)