Mathematics, 08.05.2021 14:00, sti192

1. The first 3 terms in the expansion of (3-ax)5 in ascending powers of r, can be written in the form
b-81x+cx2? Find the value of each of a, b and c.

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1. The first 3 terms in the expansion of (3-ax)*5 in ascending powers of r, can be written in the...