Thursday
March 23, 2017

Post a New Question

Posted by on Saturday, May 11, 2013 at 12:14am.

What is the coefficient of x^4 in (x^2−x−2)^7?

  • MATHS!!!Please HELP..:'( - , Saturday, May 11, 2013 at 5:02am

    expanded form is :::x^14-7 x^13+7 x^12+49 x^11-91 x^10-161 x^9+357 x^8+363 x^7-714 x^6-644 x^5+728 x^4+784 x^3-224 x^2-448 x-128

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question