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प्रश्न
Find the distance with the help of the number line given below.
d(J, A)
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 J and A are −2 and 1 respectively.
but 1 > −2.
∴ d (J, A) = 1 − (−2)
∴ d (J, A) = 1 + 2
∴ d (J, A) = 3
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