2 years ago

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

1 answer:

Sonja [21]2 years ago

7 0

A₁=1====> 1²

a₂=-4===>-2²

a₃=9====>3²

a₄ =-16==>-4²

a(n) = -(-1)ⁿ (n²)

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