12th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-5
question_answer
AOB is the positive quadrant of the ellipse \[\frac{{{x}^{2}}}{{{a}^{2}}}+\frac{{{y}^{2}}}{{{b}^{2}}}=1\] in which OA = a, OS = b. The area between the arc AB and the chord AB of the ellipse is