a flight of stairs has 10 steps.a person can go up the steps one at a time ,two at a time,or any combination of 2's and 2's.find d total number f wayz in which d person can go up d stairs??? plz give me complete soln for dis....cuz i got d ans bt prob z m nt sure about the way i solved it!! ans is:89
do reply....plzz!!
a flight of stairs has 10 steps.a person can go up the steps one at a time ,two at a time,or any combination of 2's and 2's.find d total number f wayz in which d person can go up d stairs??? plz give me complete soln for dis....cuz i got d ans bt prob z m nt sure about the way i solved it!! ans is:89
do reply....plzz!!