1.

Two sides of a Rhombus ABCDare parallel to the line x-y=5 and 7x-y=3. The diagonals intersect at (2,1) then the equation of the diagonal are

Answer»

x-y=1, 7x-y=13
x+y=3,x+7y=9
x+2y=4,2x-y=3
3x+4y=10,4x-3y=5

Answer :C


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