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primary 2 | Maths
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I do not get this at all? Is it right?
If not please tell me how to get the right answer.
Date Posted: 7 years ago
Views: 685
Should be 2n +1
Should be 2n + 1
See 1 Answer
done
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clear
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The expression for Nth term is 2(n-1) +3. (n-1) as the increase of 2 matchstick only start when n=2. (n-1) is times 2 because every time n increase by 1, the number of matchsticks increase by 2 constantly. +3 as when n=1, number of matchsticks to begin with is 3, which is also a constant. :)
Date Posted:
7 years ago
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