1.

Let R be the region containing the point (x, y) on the X-Y plane, satisfying `2le|x+3y|+|x-y|le4.` Then the area of this region isA. 5 sq. unitsB. 6 sq. unitsC. 7 sq. unitsD. 8 sq. units

Answer» Correct Answer - B
The region is enclosed between two parallelograms of area `4xx2 and 2xx1`
The area `=8-2=6.`


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