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Question 3 Question 7 Not yet answered Not yet answered Marked out of 5.00 Marked out of 5.00 V Flag question F Flag question Determine whether the equality is always true [910 [OP 9) f-f(x.y)dydx [0 F\": f(x y)dxdy Choose the value for a such that fol 3:- 32 x2 ycos(ax)d x d y = _41:4 Select one: 2 O True 0 0 False 0 None of the others 2 Question 4 O i:- Not yet answered 0 2 Marked out of 5.00 O i F Flag question It Let D be the region that lies inside the circle x2 + y2 = 64 and outside the circle ' 8 (x - 4)2 + y2 = 16. Then, the area of the region D is equal to Ouwwn Not yet answered f8 f 64)? deX. Marked out of 5.00 -8 \\/16 (x 4)2 \\7 Flag question Select one: 0 True 0 False Choose the value of the area of the region enclosed by the curves y=6x3, and 31:61:. O O O oo|w mum 0 None of the others 0 0