Discrete Math help

[peavinator]

i need help finding the all the numbers that can't be formed using 5 and 12 and proving it by math induction. Ii am trying to find a point to where a combination of the two in any way will fit into a number but finding it hard to do it by mathematical induction. any help?

 

[daon]

Which one of the following contexts accurately describes your use of the word "formed"?

a) "can be written as a linear combination of"
b) "can be written as a product of"
c) "can be bent like wire hangers to look like"
d) other (please specify): ______________

Ditto for "fit"