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Questions  

 The line PQ whose equation is x -y = 2 cuts the x-axis at P, and Q is (4, 2). The line PQ is rotated about P through 45o in the anticlockwise direction. The equation of the line PQ in the new position is 

a
y=−2
b
y=2
c
x=2
d
x=-2

detailed solution

Correct option is C

Clearly, the equation of PQ in the new position is x - 2.

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