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Consider two lines L(1) " and " L(2) giv...

Consider two lines `L_(1) " and " L_(2)` given by x-y=0 and x+y=0, respectively, and a moving point P(x,y). Let d`(P,L_(i))`, i=1,2, represents the distance of point P from the line ` L_(i)`. If point P moves in a certain region R is such a way that `2 le d(P,L_(1))+d(P,L_(2))le 4,`
find the area of region R.

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