Question

find the term of an arithametic sequence __,__,17,35​

Answer 1

Answer:

8 is the right answer

Step-by-step explanation:

8*2+1=17

17*2+1=35

likewise

35*2+1=71

Answer 2

Answer:

answer is -19 and -1

difference is 18

an=a+(n-1)d

35=a+(4-1)18

35=a+3(18)

35=a+54

35-54=a

-19=a

therefore, a+d=a2

-19+18= -1