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प्रश्न
Find the distance with the help of the number line given below.
d(P, J)
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उत्तर
It is known that the distance between the two points is obtained by subtracting the smaller co-ordinate from the larger co-ordinate.
The co-ordinates of points P and J are −4 and −2 respectively.
But −2 > −4
∴ d (P, J) = −2 − (−4)
∴ d (P, J) = −2 + 4
∴ d (P, J) = 2
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