Question 4 1 pts Express the integral :2.. da in terms of the integral / e. dx . Hint: ce" =x . (x.e" ) . Upload Choose a FileQuestion 5 1 pts Calculate the shaded region in the diagram, bounded by the curves y=5in2m and y: (305% . Round your answer to two decimal places. I I I I I I- I I I Question 6 1 pts IT/2 Using an appropriate trigonometric substitution, we can convert the integral / sin x cos adx 0 to... O 415 . (1 - u2) 10 du O (1 - 27)7 . 120 du o 215 . (1 - 120 ) du / ( 1 - wl ) . 120 du 0