Example: tourism industry
Ocr core 1 module revisionsheet
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OCR Core 1 Module RevisionSheet - Mathshelper
www.mathshelper.co.ukOCR Core 1 Module RevisionSheet The C1 exam is 1 hour 30 minutes long. You are notallowed anycalculator1. Before you go into the exam make sure you are fully aware of the contents of the formula ...
OCR Core 4 Module RevisionSheet - Mathshelper
www.mathshelper.co.ukBe on the lookout for expressions where the top line is almost the derivative of the bottom line. For example3 Z x3 x4 +1 dx = 1 4 Z 4x3 x4 +1 dx = 1 4 ln|x4 +1…