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Find the nth term of the sequence 1,-4,9,-16...

Find the nth term of the sequence 1,-4,9,-16...
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4 votes
Find the nth term of the sequence 1,-4,9,-16...

asked
User Shifenis
by
7.4k points

1 Answer

3 votes
a₁=1====> 1²

a₂=-4===>-2²

a₃=9====>3²

a₄ =-16==>-4²

a(n) = -(-1)ⁿ (n²)
answered
User Luis Ferrao
by
8.3k points
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