Find the rule for the following sequence, and then find the 10th term of the sequence. Sequence: 1/2, 2, 9/2, ....

asked Oct 27, 2022 156k views

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Find the rule for the following sequence, and then find the 10th term of the sequence.

Sequence: 1/2, 2, 9/2, ....

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Explanation:

1/2, 2, 9/2, ....

equivalent with :

½, 4/2, 9/2, ...

the rule is : Un = n²/2

so, U10= 10²/2 = 100/2= 50

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