Question

20. First term of the expression 4n + 1 is 5. Find the 3rd term of expression
1. 20
2. 13
3. 9
4. 0
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Answer 1

Answer:2. 13

Step-by-step explanation:as you put n=3 in the eqation  4n + 1 you get 13

and for first part n=1 .

hope it helps.

Answer 2

let n=1 in first term so eq is 4(1) +1=5

,,,,,, n=2 , so eq is 4(2) +1=9

now n=3 in 3rd term so eq is

4(3) +1=13