Question

what is frist term of 1/6n+1/3​

Answer 1

Answer:

Given an arithmetic sequence with the first term a1 and the common difference d , the nth (or general) term is given by an=a1+(n−1)d . Example 1: Find the 27th term of the arithmetic sequence 5,8,11,54,... . a8=60 and a12=48 .

Step-by-step explanation:

Answer 2

Answer:

Given: (2n−1),(3n+2) and (6n−1) are in AP.

So, difference between two consecutive terms is same.

So, (3n+2)−(2n−1)=(6n−1)−(3n+2)

(3n+2)+(3n+2)=6n−1+2n−1

6n+4=8n−2

8n−6n=4+2

or n=3

Numbers are:

2×3−1=5

3×3+2=11

6×3−1=17

Answer: (5,11,17) are required numbers.

Step-by-step explanation:

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