Question and Answers Forum

All Questions      Topic List

Arithmetic Questions

Previous in All Question      Next in All Question      

Previous in Arithmetic      Next in Arithmetic      

Question Number 136005 by Raxreedoroid last updated on 17/Mar/21

challenge question    Let R(m,n)=R(m,n−1)+R(m+1,n−1)  if R(1,1)=19,R(2,1)=9,R(3,1)=−2  and ∀n s.t. R(4,n)=0      a) Find R(1,33)    b) Find R(1,n)

$$\mathrm{challenge}\:\mathrm{question} \\ $$$$ \\ $$$$\mathrm{Let}\:{R}\left({m},{n}\right)={R}\left({m},{n}−\mathrm{1}\right)+{R}\left({m}+\mathrm{1},{n}−\mathrm{1}\right) \\ $$$$\mathrm{if}\:{R}\left(\mathrm{1},\mathrm{1}\right)=\mathrm{19},{R}\left(\mathrm{2},\mathrm{1}\right)=\mathrm{9},{R}\left(\mathrm{3},\mathrm{1}\right)=−\mathrm{2} \\ $$$$\mathrm{and}\:\forall{n}\:\mathrm{s}.\mathrm{t}.\:{R}\left(\mathrm{4},{n}\right)=\mathrm{0} \\ $$$$ \\ $$$$ \\ $$$$\left.{a}\right)\:\mathrm{Find}\:{R}\left(\mathrm{1},\mathrm{33}\right) \\ $$$$ \\ $$$$\left.{b}\right)\:\mathrm{Find}\:{R}\left(\mathrm{1},{n}\right) \\ $$$$ \\ $$

Commented by yutytfjh67ihd last updated on 28/Mar/21

  I've solved it!

$$ \\ $$I've solved it!

Commented by yutytfjh67ihd last updated on 28/Mar/21

Commented by yutytfjh67ihd last updated on 28/Mar/21

Commented by Raxreedoroid last updated on 28/Mar/21

Nice!  Consider section b

$$\mathrm{Nice}! \\ $$$$\mathrm{Consider}\:\mathrm{section}\:{b} \\ $$

Commented by Raxreedoroid last updated on 30/Mar/21

I see  but there is the other question  R(1,n)=?

$$\mathrm{I}\:\mathrm{see} \\ $$$$\mathrm{but}\:\mathrm{there}\:\mathrm{is}\:\mathrm{the}\:\mathrm{other}\:\mathrm{question} \\ $$$${R}\left(\mathrm{1},{n}\right)=? \\ $$

Commented by dhgt last updated on 04/May/21

Terms of Service

Privacy Policy

Contact: info@tinkutara.com