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Find the nth term for this sequence -1 - 4 - 9 - 16 - 25

Find the nth term for this sequence -1 - 4 - 9 - 16 - 25-example-1

1 Answer

6 votes

Answer:

Un = -n²

Explanation:

Un = -n²

it's a quadratic term but with minus sign, just it

U1 = -1² = -1

U2 = -2² = -4 and so on

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