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Grade: 11

                        

1,3,3,3,5,5,5,5,5,7,7,7,7,7,7,7..... what will be its 2016 th term

3 years ago

Answers : (1)

RAGHU RAM
21 Points
							1+3*3+5*5+7*7+-----Here 1,3,5,----are odd numbers andnth term of odd numbers is 2n-144²= 1936 and 45²= 2025So the number appears1937th term to 2025th is 45th odd numberi.e 2(45)-1=90-1=89
						
3 years ago
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