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Q.

Addition of integer and its additive inverse is:


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a

 Zero

b

 Double the number

c

 Half the number

d

 None  

answer is A.

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Detailed Solution

Concept: Find the additive inverse of the integer and its definition, then calculate their combined value.
Let p be a number that, when added to a real number, yields 0, since we already have a real number.
Question ImageThe value of p, which is the additive inverse of a, is a. Let's take an integer now. The additive inverse of an integer is determined by the aforementioned criteria (- integer). This is what we get when we apply it to the question: Integer + additive inverse = integer + (- integer) = 0.Therefore, an integer's additive inverse and sum are always equal to zero.
Hence, the correct answer is option 1.
 
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