Binomial (1 Viewer)

[Lukybear]

If a, b ,c, d are the coefficent of any four consecutive terms in the expansion of (1+x)^n, prove that:

 

[MetroMattums]

Just substitute the values nCr, nCr+1, nCr+2, nCr+3 into both sides of the equation and it should come out fine.

It takes less lines that it would seem too!