241 views

1 Answer

Best answer
0 votes
0 votes

Here the recurrence relation will be

an=25an-1+(26n-1-an-1)

     =24an-1+26n-1

so here x=24 y=26

x+2y=76

B is corret answer here

NOTE: This question is same type question,mentioned in kenneth rosen chapter 6.1 example 7 page 397

selected by

No related questions found