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25-02-2024
Mathematics

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The straight line y=x−2 rotates about a point where it cuts the x−axis and becomes perpendicular to the straight line ax+by+c=0. Then its equation is
A. ax−by−2a=0
B. ax+by+2a=0
C. bx+ay−2b=0
D. ay−bx+2b=0

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