# Math Help - another binomial problem

1. ## another binomial problem

another binomial problem

2. Originally Posted by afeasfaerw23231233
another binomial problem
Are you allowed to use the multinomial theorem?

-Dan

3. sorry i have a typing mistake, the question should be " find the coefficient of x^6"
i think i have already learnt trinomial thm from my textbook but the format is different from those in your wiki link.
i don't understand those symbol like sigma and pi