The first five terms of the sequence are -3, -5, -7, -9, -11
A sequence is an enumerated group of items in mathematics where repetitions are permitted and order is important. It has members, just like a set does. The length of the sequence is determined by the number of items.
Given,
aₙ =-2 n-1
a1 = -2 - 1 = -3
a2 = -4 -1 = -5
a3 = -6 -1 = -7
a4 = -8 -1 = -9
a5 = -10 - 1 = -11
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