a) A sequence is given by un = n(1-2n) i)Determine the first 3 terms of...

a) A sequence is given by un = n(1-2n)
i)Determine the first 3 terms of the sequence.
ii) If un = - 120, find the value of n
b) How many terms are there in the G.P, 2, -6, 18,................ -486?

In Mathematics
3 Answers Available
Asked by muhammad on 7th May, 2020

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