Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (jose99):

he coefficient of x^k y^n-k in the expansion of (x + y)^n equals http://media.apexlearning.com/Images/200905/25/11f65e3c-a85a-4774-8eed-dfa22745dbcb.gif

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!