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Edexcel IALMathematicsGeneral Applications4 Marks

The value, V, of a product, t years after it was launched, is modelled by the differential equation dV/dt = kV/(t + 1), where k is a constant. (c) Find the percentage loss in the value of the product during the 3rd year, giving your answer to 1 decimal place.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This Edexcel IAL Mathematics Question

Topic

This structured question tests General Applications in Edexcel IAL Mathematics$. It is worth 4 marks.

Source

This question appeared in the $Edexcel IAL $Mathematics $$ examination, $ $.

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