show that |a+b|=|a|+|b|
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Modulus basically makes an integer a whole number..
So if a=-1 and b=-2
then I-1I + I-2I
=1+2
=3
And I-1+-2l
=I-3I
=3
So if a=-1 and b=-2
then I-1I + I-2I
=1+2
=3
And I-1+-2l
=I-3I
=3
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