Integer:-Any whole number which is not a fraction but can be negative, positive or a zero is an integer. Any numbers in a number line is an integer. Example: -1,-2,-3,0,+1,+2,+3 etc.
The addition, subtraction and multiplication of two integers also give an integer as a result. But in case of division it may result in an integer or a fraction also.
Example:
1) When we add 2+4=6 i.e. we added two integers 2 and 4 it resulted in another integer 6.
2) When we subtract 9-4=5 i.e. we subtract two integers 9 from four it resulted in another integer 5.
3) When we multiply3*5=15 i.e. we multiplied two integers3 and 5 it resulted in another integer 15.
4) When we divide 15/3=5 i.e. we divided 15 by 3 it resulted in another integer 5, but when we divide 5/10=1/2 i.e. we divided 5 by 10 it resulted in a fraction ½ .
In mathematical equations integers are generally represented with the help of alphabets like p, q, r etc..
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