Let dn denote the number of ways to cover the squares of a 2-by-n board using plain dominos. then it is easy to see that d1 = 1, d2= 2, and d3 = 3. compute a few more values of dn and guess an expression for the value of dn and use induction to prove you are right.

Why do interests rates on loans to be lower in a weak economy than in a strong one

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit