1. If 4 is the coefficient of the term containing a[5] in the expansion of
(3a[4]+2a[2]+5)(2a[m]),find the value of m .
2.Write down two polynomials where each has 3 unlike terms and their
difference is 2x-3xy.
吾該快d``就黎要交喇 >3<
第1條其實比式我就得;但系要解釋
重有第1題既答案系3 << 吾知點計出黎 = =
更新1:
jackychan1945;乜你咁衰嫁-,-