(-1)×(-1)×(-1)×(2m+1) times where m is a natural number, is equal to? 1. 1
2.-1
3.1 or-1
4.None​

(2). -1

Step-by-step explanation:

The given parameter can be represented as:

See comment for correct question

Required

The end result

From the question, we understand that m is a natural number

This means that:

odd number

So:

--- i.e. -1 to the power of an odd number will give -1

Hence; (2) is correct

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hope this !