QUESTIONS 9 AND 10 REQUIRE WRITTEN SOLUTIONS WHICH MAY INCLUDE PROOFS....
1. A number written in base ais 123
a
. The same number written in baseb is 146b
. What is the minimum value ofa+b? [2 marks]a
. The same number written in baseb is 146b
. What is the minimum value ofa+b? [2 marks]