755 prompts matching "The dot product used to find the work done by a force"
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Factorising the sum and difference of two cubes
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on fact
Simplifying an expression with brackets and indices together
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on simp
Worked Example: Why the square root of a non-square whole number is irrational
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Common Mistakes: Expanding the product of two surd brackets
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Worked Example: Rationalising a denominator that is a single surd
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Practice: Rationalising a denominator with a whole number multiplying the surd
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Spot My Mistake: Rationalising and then cancelling a common factor
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Worked Example: Why multiplying by the conjugate clears the surd
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Practice: Rationalising a denominator of the form a plus root b over c minus root d
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Show All Working: Finding a and b when a plus b root 2 equals a given surd
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Worked Example: Testing the even numbers for closure under addition
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Worked Example: Testing whether star distributes over plus
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Show All Working: Using distributivity to simplify an expression
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Quiz: Finding the identity element from an operation table
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Common Mistakes: Checking an inverse by working the operation both ways
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Worked Example: The law for multiplying powers of the same base
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Practice: The law for a power raised to another power
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Spot My Mistake: The law for a quotient raised to a power
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Worked Example: Solving an indicial equation where one side must be factorised first
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Practice: Solving 2 to the power x equals 32
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