why in number line we indicate left side as negative and right side as positive
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a number line is a part of the Cartesian plane
the horizontal X axis
so as per it the zero is the origin and the negatives on the left and positives on ryt
the horizontal X axis
so as per it the zero is the origin and the negatives on the left and positives on ryt
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also we know that zero is the mid point of a number line .
we suppose a mirror on this point .so that all other real numbers are images of each other.
we left right as positive and left side as negative.its means very simple .its only for easy way to become mathmetics.
we suppose a mirror on this point .so that all other real numbers are images of each other.
we left right as positive and left side as negative.its means very simple .its only for easy way to become mathmetics.
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