induction question (1 Viewer)

[gogdog2316]

could someone post up their answer to this question so i could check mine. The sheet it is on didnt come with worked soln's.

7^(2n-1)+5 is divisible by 12 for all n≥1

cheers

 

[jet]

 

[daryl-d]

dosent it want it to be divisible by twelve

 

[jet]

dosent it want it to be divisible by twelve

Thanks for pointing that out.

 

[gogdog2316]

thanks for that jetblack2007 answered my queries nicely