1) The area of the region bounded by the curves x2+y2=9 and x+y=3 is A) 9π4+12 B) 9π4−12 C) 9[π4−12] D) 9[π4+12] Answer: Option CExplanation: Area of required region =14 x Area of circle - Area of △ OAB = 14×π×(3)2−12×3×3 = 9[π4−12]