Question

2,3,5,11,21,43, ? ,171 solve and explain ​

Answer 1

Answer:

1+1+1=3  

3+3-1=5

5+5+1=11

11+11-1=21

21+21+1=43

43+43-1=85

85+85+1=171

Therefore,

171+171-1=341.....

Answer 2

Answer:

85

Step-by-step explanation:

1+1+1=3

3+3-1=5

5+5+1=11

11+11-1=21

21+21+1=43

43+43-1=85

85+85+1=171