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CBSE Class 10 Answered

abscissa of a point A is equal to its ordinate, and its distance from the point B(1,3) is 10 units, What are the cordinates of A
Asked by gopinath12071980 | 07 Sep, 2018, 12:12: PM
answered-by-expert Expert Answer
According to the question,
x = y = k
A (x, y) = (a, a) and B(1, 3)
AB = 10
AB2 = 100
(k - 1)2 + (k - 3)2 = 100
Solving it further we get k = -5 or 9

Hence, A(x, y) can be (-5, -5) or (9, 9)
Answered by Sneha shidid | 10 Sep, 2018, 12:07: PM
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