Question

The sum of first n terms of a sequence is n

2 + n

a) What is the difference between to adjacent terms of this sequence ?

b) Can the difference between any two terms of this 25?

c) If the difference between two terms of this sequence is 100 then how many

terms exist between these terms​

Answer 1

Answer:

1 . 2n

2. No

3. 49 n

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