C2 Past Paper Booklet - The Grange School Blogs
C2 Past Paper Booklet - The Grange School Blogs
C2 Past Paper Booklet - The Grange School Blogs
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Jan 200921 Find(i) (x 3 + 8x − 5) dx, [3](ii) 12 √ x dx. [3]2A140°O7 cmB<strong>The</strong> diagram shows a sector OAB of a circle, centre O and radius 7 cm. <strong>The</strong> angle AOB is 140 ◦ .(i) Express 140 ◦ in radians, giving your answer in an exact form as simply as possible. [2](ii) Find the perimeter of the segment shaded in the diagram, giving your answer correct to3 significant figures. [4]3 A sequence of terms u 1, u 2, u 3, … is defined byu n= 24 − 2 3 n.(i) Write down the exact values of u 1, u 2and u 3. [2](ii) Find the value of k such that u k= 0. [2](iii) Find20∑ u n. [3]n=1© OCR 2009 4722 Jan09
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