layanmalhas layanmalhas

06-09-2021
Mathematics

contestada

The nth term of a sequence is
2n^2 + 4n - 1
Work out the 10th term of the sequence

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jimrgrant1 jimrgrant1

06-09-2021

Answer:

a₁₀ = 239

Step-by-step explanation:

Substitute n = 10 into the nth term rule , that is

a₁₀ = 2(10)² + 4(10) - 1

= 2(100) + 40 - 1

= 200 + 39

= 239

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