Question

what of the following does 2n- 1 represent

​

Answer 1

Answer:

Both (2n+1) and (2n-1) represent the odd number series. ... (2n-1)

Step-by-step explanation:

Both (2n+1) and (2n-1) represent the odd number series. ... (2n-1) is preferred because it goes with what we simply think that is if we need first positive odd number we will simply think of putting n=1 and we will get the answer which is nothing but “1” , n=2 for second(3) and so on…

Answer 2

Answer:

The correct option is A

2n + 1

Step-by-step explanation:

For a number to be odd, when it is divided by 2, should leave a remainder of 1.

So, 2n + 1 when divided by 2 leaves a remainder of 1 while all others leave zero.

Therefore, 2n + 1 represents odd numbers.

i hope it is helpful