Answer :

To find area of in first quadrant enclose by the circle

X^{2} + y^{2} = 32 …(i)

And y = x …(ii)

Solving these two equations, we get

Or 2X^{2} = 32

Or X^{2} = 16

Or x = 4

∴y = 4

Equation (i) is a circle with centre (0, 0) and meets axes at A (±4√2, 0), (0,±4√2). And y = x is a line passes through (0, 0) and intersect circle at B (4, 4).

These are shown in the graph below:

Region OABO = Region OCBO + Region CABC

The area of the region bounded by y = x and circle X^{2} + y^{2} = 32 is

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