Page 40 - Math SL HB Sem 1
P. 40

BNO\,Ii-\L THEOP€\4


            Example 3:  Expand ( 1 + r + 2;2;7 up to and including  the ieim t''';tn i


























           Exa.mple 4: The coefficient ofx5 in thc expansion  of (1 *5x)8 is equal to tb€ coefficient of

                        xo in the expansion  of (a + 5x)? . Find  a.

















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