If is the number of ways in which a person can walk up a stairway which has 7 steps if he can take 1 or 2 steps up the stairs at a time, then the value of is

Question ID - 153649 :-

If is the number of ways in which a person can walk up a stairway which has 7 steps if he can take 1 or 2 steps up the stairs at a time, then the value of is

1 Answer

5876 Votes

3537

Answer Key : (7) -

(7)

denotes the number of times he can take unit step and denotes the number of times he can take 2 steps, then ,

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