Question

The area of the region R: 1<x<2, 1<y<2 is:​

Answer 1

Answer:

1< xy< 4

Step-by-step explanation:

First, take the least minimum possible values of x and y.

x >1 and y >1

COnsider,  x= 1 and y = 1.

Then area will be - 1 sq.unit.

So, we know that area is greater than 1 sq.unit.

Now consider maximum values.

x= 2 and y = 2[consider]

So,area  is 4 sq. units if x = 2 and y = 2.

So, area is less than 4 sq. units.

Therefore, 1<xy<4

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