Sum of first n terms of an arithmetic sequence is
3n-6n.
a) Calculate first term and common difference?
b) Write the algebraic form?
Find its 15t term?
Answers
Answered by
0
Answer:
Mai aapko el hint deta hu dusre question Ke form Mai isse tarike se solve kro phir naa aaye tab puchna mujhse okay
Step-by-step explanation:
The algebraic form of an arithmetic sequence is 5n+3.
a. What is the first form of the sequence?
b. What will be the remainder if the term of the sequences are divide by 5?
ANSWER
Given, arithmetic sequence X
n
=5n+3
a. The first term of the sequence, put n=1
X
1
=5×1+3=8
b. d=5 (coefficient of n be the common difference)
The remainder divide by 5=3.
(
5
8
=3,
5
13
=3,
5
18
=3,etc)
Similar questions