Question

Solve this sum With full explanation from point to point in detailed
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Answer 1

Answer:

2n is a even

2n+1 is an odd

Step-by-step explanation

The explanation is already given in the sum itself

It says any odd no or even no (any number) if taken as n

2 times n is always even

And 2 time n + 1 is always odd.

15 is odd

2*15 is even (30)

2*15 + 1 is odd(31)