18
The area of the circle x2 + y2 = 16 exterior to the parabola y2 = 6x is
Here, the area bounded by the circle and parabola = 2 × [Area OADO + Area ADBA]
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⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Area of circle = π(r2)
= π(4)2
= 16π units.
Thus, required area = 
⇒ 
⇒ 
18
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19
The area bounded by the y-axis, y = cos x and y = sin x when 
is