Find the first four terms and the term of the sequence $a _ { n } = ( - 1 ) ^ { n } n ^ { 2 }$ .

Name: Find the first four terms and the term of the sequence $a _ { n } = ( - 1 ) ^ { n } n ^ { 2 }$ .
Brand: Quizplus
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Question

Find the first four terms and the  term of the sequence $a _ { n } = ( - 1 ) ^ { n } n ^ { 2 }$ .

Quizplus · Accepted Answer

The Answer is

a _ { 1 } = - 1 \cdot 1 = - 1

,

a _ { 2 } = 1.4 = 4

,

a _ { 3 } = - 1 \cdot 9 = - 9

,

a _ { 4 } = 1 \cdot 16 = 16

,

a _ { 1000 } = 1 \cdot 1,000,000 = 1,000,000

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Find the First Four Terms and the Term of the Sequence