Math, asked by nishu2017gupta, 7 months ago

write the first four triangular no

Answers

Answered by sifatkaur567
4

Answer:

This is the Triangular Number Sequence: 1, 3, 6, 10, 15, 21, 28, 36, 45, ...

Step-by-step explanation:

I hope it helps you to find the answer

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