755 prompts matching "The chain rule applied twice in one problem"
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Surds combined with algebraic terms
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Proving a surd statement is true or false
I am in SS 1. I attempted an Additional Maths question on proving whether a given surd sta
Surds in trigonometric exact values
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Simplifying nested surds
I am in SS 1. I'm going to explain simplifying an expression containing a surd within a su
Working with cube roots as a type of surd
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Explaining why we rationalise denominators
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Simplifying a surd expression before squaring
I am in SS 1. I attempted an Additional Maths question on why it matters to simplify a sur
Union and intersection of two number sets
I am in SS 1. I'm going to explain finding the union and intersection of two given sets of
Complement of a set within a universal set
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Finding a missing intersection from set sizes
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Set difference A minus B
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Working backwards from Venn diagram totals
I am in SS 1. I'm going to explain a Venn diagram question where I am given some regions a
Logical reasoning with 'and' versus 'or' in sets
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Number of elements in a set from a Venn diagram region count
I am in SS 1. I'm going to explain counting n(A only), n(B only) and n(A and B) separately
Full WAEC-style set theory past question
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Set theory laws: commutative and associative
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Logical reasoning puzzle solved using sets
I am in SS 1. I'm going to explain a short logical reasoning puzzle about groups of people
Sum of the first n terms of an arithmetic series
I am in SS 1. I attempted an Additional Maths question on using the formula Sn = n/2 (2a +
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Solving for x when three terms are in arithmetic progression
I am in SS 1. I attempted an Additional Maths question on finding the value of x given tha