Q.

The area bounded by the curves y=|x-1|+|x-2| and y=3 is equal to               [2023]
 

1 6  
2 3  
3 5  
4 4  

Ans.

(4)

Required area is shaded in the given figure, which is a trapezium.

  Area=12×Sum of parallel sides×Height

=12×(AB+CD)×AM=12(1+3)×2=4 sq. units