# Sum and product of coefficient binomials

1. Mar 30, 2014

### Jhenrique

Given two coefficient binomials $$\binom{a}{b}$$ and $$\binom{c}{d}$$ is possbile to express the sum and product those coefficient binomials as one other?

2. Mar 31, 2014

### Staff: Mentor

Why don't you try answering your own question by expanding both and adding them or multiplying them?

3. Apr 1, 2014

### Jhenrique

I didn't find an satisfactory answer, anyway, thanks!