If a 4 b 5 c 6 then July 8, 2019 16 32 64 128 If a b c 4 5 6 then show that If a b 3 4 b c 5 6 then a c If a b 4 7 and b c 5 6 then a b c If a b 4 5 and b c 6 7 then find a c
