Question

1, 3, 3, 3, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, what number will come in the 251st place

Answer 1

Answer:Label the terms of the sequence a1,a2,...,a2016,... . Notice ... Sk=k∑i=1(2i−1)=1+3+5+7+...+(2k−1). Then, to know the value of the terms

Step-by-step explanation:

Answer 2

Answer:

ap-1,2,3,4.....

Step-by-step explanation:

a=1,d=1

Sn=n/2[2a+[n-1]d]

Sn=n^2+n/2

NOW FIND NEAREST VALUE OF n EQUAL TO 251 BY HIT AND TRIAL.....

n=21

21*22=252 which is near

SO ANSWER IS 22.

I HOPE YOU UNDERSTAND MATE....