When the coefficient of x^3 in the expansion of (1/2x^2+a)(3x+2/x)^5 find the value of a?
Posted at：
2014-06-09
Your question is incomplete ... When the coefficient of x^3 in the expansion of (1/2x^2+a)(3x+2/x)^5 find the value of a? .... When the coefficient of x^3 IS WHAT??? Unless you give a value for the coefficient, there can be no answer for a.
