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Find the next three terms (a2, a3, a4) in each recursive defined sequence.

a1 = 3 and an = an−1 + n

 Jun 9, 2021
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A2 is 5. Since A1 = 3, then A2 = 3 + n, and since n is equal to 2, A2 is 5

A3 is 8. Since A2 = 5, then A3 = 5+n, and since n is equal to 3, A3 is 8

A4 is 12. Since A3 is 8, then A4 = 8+n, and insce n is equal to 4, A3 is 12

 

Hope this helps

 Jun 9, 2021

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