341 prompts matching "Practice: Evaluating AB minus BA"
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Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Combining several index laws in one simplification
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Simplifying indices before adding like terms
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Explaining why a^1/n means the nth root of a
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Index expression with three unknown letters
I am in SS 1. I'm going to explain simplifying an expression with three letters and mixed
Combining index and surd notation
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Simplifying the square root of a larger number
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Adding and subtracting like surds
I am in SS 1. I'm going to explain adding and subtracting surds that share the same irrati
Adding surds that need simplifying first
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Expanding a binomial surd bracket
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Rationalising a denominator with a surd and integer
I am in SS 1. I'm going to explain rationalising a denominator such as 6 divided by (2 roo
Rationalising using the conjugate
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Surd answers in area and perimeter questions
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Estimating the value of a surd
I am in SS 1. I'm going to explain estimating the approximate value of a surd such as root
Comparing the size of two surds
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Surds in the quadratic formula
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Rationalising and then simplifying fully
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Dividing surds using the quotient rule
I am in SS 1. I'm going to explain simplifying a quotient of surds using the rule root a d
Surds combined with algebraic terms
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Surds in trigonometric exact values
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