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प्रश्न
Find the distance with the help of the number line given below.
d(J, A)
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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 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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