Analysis and Approaches for IBDP Maths Ebook 2 | Page 182

Your Practice Set – Analysis and Approaches for IBDP Mathematics Exercise 55 1. Consider the graph of f ( x) cosec 2 � � �x , where ( ) 0 region enclosed by the graph of f , the x -axis, the lines of R . f x � for 0�x � 1. Let R be the 1 x � and 6 1 x � . Find the area 2 [6] 2. Consider the graph of f ( x) � ln x , where f( x) � 0 for x � 1. Let R be the region 4 enclosed by the graph of f , the x -axis and the line x� e . Find the area of R . [6] 3. Consider the graph of f ( x) 2xcot x cosecx 2 2 � , where ( ) 0 enclosed by the graph of f , the x -axis, the lines k � 0 . Find the value of k . f x � for 0 �x � � . The region � � x � and x � is 2� 2, where 6 k x 4. Consider the graph of f ( x) � xe , where f( x) � 0 for 0 �x � 10 . The region enclosed by the graph of f , the x -axis, the lines x the value of k . � k and x � 2 is e 2 (2e� 1) , k � 2 , k � . Find [7] [6] 172 SE Production Limited