Question: a) Find the first 3 terms in the expansion of (3x 2/x) 6 in descending powers of x. b) Hence find the coefficient of

a) Find the first 3 terms in the expansion of (3x − 2/x)6 in descending powers of x.


b) Hence find the coefficient of x² in the expansion of 


1 + * |

1 + * |

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