Question

(1) Write the first integer term of the arithmetic sequence 1/7,2/7,3/7,.....​
(2) write the sum of first 7 terms
the first correct answer will be awarded brilliant

Answer 1

Step-by-step explanation:

1/7,2/7,3/7

commondifference = 2/7-1/7=1/7

a=1/7

sum of first 7 terms = n/2(2a+ (n-1)d

7/2(2.1/7+(7-1)1/7

7/2(2/7+6.1/7)

7/2(2/7+6/7)

7/2.8/7=4