Thread: another binomial problem

another binomial problem

Originally Posted by afeasfaerw23231233

another binomial problem

Are you allowed to use the multinomial theorem?

-Dan

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