Q5 of 123 Page 22

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 –





(Ans)

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