Question

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Answer 1

Four points are (1,2) , (1,1), (1,0), (1,-1) on the line

Now equation of line between (1,0) & (1,1)

y-0 = 1

----- ( x-1)

0

X = 1

Now equation of line between (1,2) & (1-1)

y-2 = -1 -2

-------- ( X - 1)

0

X = 1

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