Higher.doc - mathsteachers

3 1 A3d/C 40 Use the method of trial and improvement to find the positive solution of . x3 + x = 37. Give your answer correct to 1 decimal place. 3.2 4 A3d/C 41 Use a trial and improvement method to solve the equation. x3 - x = 15. Complete the working below and find a solution correct to one decimal place. 2.53 - 2.5 = 13.125. 2.63 - 2.6 = 14.976 ................
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