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What is the nth term of 1,3,6,10,15,21
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What is the nth term of 1,3,6,10,15,21

User Azium
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1 Answer

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Answer:

1,3,6,10,15,21,…..

These are all the sum of natural numbers upto the n

So, in this series

1st Term = 1

2nd Term = 1+2 = 3

3rd Term = 1+2+3 = 6

4th Term = 1+2+3+4 = 10

So,

Term - n = 1+2+3+….+n = n(n+1)/2

That’s your answer n(n+1)/2

Good Luck

Explanation:

User Sajan Chandran
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