Type "Polar Q2" ito find in phone app.[color=#0000ff][br]https://www.geogebra.org/calculator/cqujkw3w[/color]
The shaded region ABCD is as shown in the figure above Although the region is not a circular region, the polar integral still work here. Kindly evaluate the area of the region using polar integra :)
[math]ln|\sqrt{2}+1|[/math]