Q5 of 25 Page 8

Expand each of the following expression


By using Binomial Theorem, we have:

= 5C0(x)6+6C1(x)5+ 6C2(x)4+ 6C3(x)3+ 6C4(x)2+ 6C5(x)1+6C6

             = x6 + 6x5

          
l = x6 + 6x4 + 15x2 + 20 +

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