755 prompts matching "Checking the determinant before attempting a 3 by 3 inverse"
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Common Mistakes: Checking an inverse by working the operation both ways
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Show All Working: Checking a rationalised answer by decimal approximation
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Final Revision: Checking a conjugate answer by multiplying back
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Learn: Solving an equation by writing both sides to the same base
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Final Revision: Checking an indicial solution by substitution
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IGCSE Additional Maths Y10: The domain and range of an inverse function — Show All Working
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IGCSE Additional Maths Y10: Sketching a function and its inverse on the same axes — Teach Me
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IGCSE Additional Maths Y10: Checking an index simplification by substituting a number — Exam Technique
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IGCSE Additional Maths Y10: Checking a polynomial division by multiplying back — Common Mistakes
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IGCSE Additional Maths Y10: The natural logarithm as the inverse of e to the power x — Teach Me
I am a Year 10 pupil taking Cambridge IGCSE Additional Mathematics. Teach me the natural l
IGCSE Additional Maths Y10: Checking a graphical solution by substitution — Exam Technique
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Spot My Mistake: Dividing one surd by another
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Worked Example: Why multiplying by the conjugate clears the surd
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Final Revision: Why closure is checked before any other property
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Spot My Mistake: Finding the inverse of a given element
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WAEC Prep: The inverse of the identity element itself
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Final Revision: Identity and inverse together, and what they give the set
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Common Mistakes: Proving the sum formula by pairing the terms
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Practice: Reversing the sign when multiplying by a negative number
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Learn: Factorising a quadratic before solving the inequality
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