Question 7, 8.4.32 Evaluate the following integral using trigonometric substitution. I [but 1? ; X r, [x2 289] m {Lari [x2 289] (Type an exact answer.) Evaluate the following integral using trigonometric substitution. x- - 36 dx x >6 X x- - 36 dx = X (Type an exact answer.) HW Score: 61.11%, 11 of 18 points O Points: 0 of 1 The upper half of the ellipse centered at the origin with axes of length 2a and 2b is described by The area of the ellipse is y = - a2 - x2 as shown in the figure. Find the area of the ellipse in terms of a and b. (Type an exact answer.) x2 b y = = - a - b