OCR EDEXECEL
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OCR EDEXECEL 1
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OCR as level maths EDEXCEL updated questions with solved answers∈ - CORRECT ANSWERbelongs to the set 
 
Adding and multiplying vectors - CORRECT ANSWERAdd i's and j's 
When multiplying by a scalar, if negative direction reverses 
 
Area of triangle - CORRECT ANSWER1/2 bcSinA 
 
Binomial expansion - CORRECT ANSWER(a + b)ⁿ = (ⁿCᵣ)(aⁿ⁻¹bʳ) 
 
(a + b)ⁿ = aⁿ + (ⁿC₁)(aⁿ⁻¹b) + (ⁿC₂)(aⁿ⁻²b²) + ... + (ⁿCᵣ)(aⁿ⁻ʳbʳ) + ... + bⁿ 
1st term star...
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OCR EDEXECEL•OCR EDEXECEL