Listen NCERT Audio Books to boost your productivity and retention power by 2X.
The area bounded by the parabola x = 4 – y2 and y-axis, in square units, is
Is the blue shaded region.
At points of intersection on y-axis, x = 0
So, equation becomes 0 = 4 – y2 or y = -2, 2
This becomes our bounds, and we integrate w.r.t. the y-axis –