Is 2k-1 odd? I get that 2(some int k) + 1 is the property for odd...

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Basic Math

Is 2k-1 odd?
I get that 2(some int k) + 1 is the property for odd numbers.
The main question:
I am confused on how 2k-1= 2k-2+1 which is a form of k?

Answer & Explanation Solved by verified expert
3.7 Ratings (624 Votes)
About the simple logic is that if one want to express even numbersthe formula for the series is and the table would be as belowk123 2k246 What is important is that k specifies the position of theseries as the kth even integer is like 1st is 2 second is 4 third is 6 and so on Also as theodd numbers are    See Answer
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