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(1,2) and (3,8) are a pair of a opposite...

(1,2) and (3,8) are a pair of a opposite vertices of square. Find the diagonals of the square passing through (1,2) :

A

x - 2y = 1

B

2x + 7y = 0

C

3x + 2y + 7 = 0

D

3x - y = 1

Text Solution

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The correct Answer is:
D
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