755 prompts matching "Learn: The meaning of n factorial, and how to evaluate it"
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Common Mistakes: Rejecting a root that makes a logarithm undefined
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Common Mistakes: A logarithmic equation that becomes a quadratic
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Common Mistakes: An arithmetic progression with a negative common difference
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Common Mistakes: Inserting a geometric mean between two numbers
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Common Mistakes: A double inequality such as 2 less than x less than 7
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Zero index rule
I am in SS 1. I'm going to explain the zero index rule, showing why any nonzero number rai
Negative indices as fractions
I am in SS 1. Give me a Cambridge IGCSE Additional Mathematics style exam question on nega
Negative indices in algebraic fractions
I am in SS 1. I attempted an Additional Maths question on simplifying an algebraic express
Finding an unknown exponent in an equation
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Evaluating a negative fractional index
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Simplifying before substituting a value
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Solving 4^x = 8^(x-1) by matching bases
I am in SS 1. I'm going to explain solving the equation 4^x = 8^(x-1) by writing both side
Index laws with an unknown letter base
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Combining several index laws in one simplification
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Index equation with equal exponents, unknown base
I am in SS 1. Teach me solving an equation of the form x^3 = 125 for an unknown base x the
Simplifying indices before adding like terms
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Index law shortcuts for mental exam questions
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Multi-part index exam question with a real context
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Squaring a surd expression
I am in SS 1. Teach me squaring a binomial surd expression, such as (2 + root 5)^2, showin
Solving a surd equation with terms on both sides
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