Math, asked by praveensuresh1104, 4 months ago

If 1 +2+3 +... +n=66 then find n

Answers

Answered by karthi999
0

Answer:

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 = 66

4+5+6+7+8+9+10+11=n

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