Write the algebraic form of the following sequence and its sum of n terms. 3,8,13,18,....

Write the algebraic form of the sequence and its sum of n terms. 5,10,15,20, ...

Write the algebraic form of the sequence and its sum of n terms. 4,9,14,19,.....

Write the algebraic form of the sequence and its sum of n terms. 6,11,16,21,....

23,30,37,.... is an arithmetic sequence a) Write the algebraic form of the sequence. b) Write the algebraic form of the sum of n terms of the sequence. c) Prove that the square of any term of this sequence will not be a term in this sequence. d) Prove that there will be so many, perfect squares in this sequence.

The algebraic form of an arithmetic sequence is 5n+5 What is its first term?

What is sum of the first.20 natural numbers? ii) The algebraic form of an arithmetic sequence is 6n+5. Find the sum of the first 20 terms of this sequence.

What is the sum of first 20 natural. numbers? b) Find the sum of .first 20 terms of 4,8 , 12,.... c) If 3 is added to each term in the above sequence, write down the algebraic expression of the new sequence. d) Find the sum of first 20 terms of the new sequence.

The n^(th) term of an arithmetic sequence is a_n =5-6n.Find its sum of n terms?

Sum of first 9 terms of an arithmetic sequence is 261, and the sum of next 6 terms is 444. i)- Find the first term and common difference. ii) Write the algebraic form of the sequence: iii) Write the algebraic.form of the sum.

The algebraic form of an arithmetic sequence is 8n+7 . Find the sum of first 30 terms of this sequence.