Asked by Steve
M is an odd integer. For each of the following numbers, check if the number is odd.
2m- 1
2m +1
m^2 - m
m^2 +m+1
2m- 1
2m +1
m^2 - m
m^2 +m+1
Answers
Answered by
R_scott
2 m is even ... multiplication by an even quantity
... so the 1st two numbers are odd
odd squared is odd
... odd minus (or plus) odd is even
... 3rd number is even
odd plus odd is even
... even plus odd is odd
... 4th number is odd
... so the 1st two numbers are odd
odd squared is odd
... odd minus (or plus) odd is even
... 3rd number is even
odd plus odd is even
... even plus odd is odd
... 4th number is odd
Answered by
PsyDAG
Everyone will be odd but m^2 - m.