755 prompts matching "The probability that a normal variable lies below a given value"
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Rationalising using the conjugate
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Surds arising from Pythagoras' theorem
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Estimating the value of a surd
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Comparing the size of two surds
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Rationalising and then simplifying fully
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Multiplying three surds together
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Dividing surds using the quotient rule
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Solving a surd equation that gives an extraneous root
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Finding n(A union B) using the formula
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Subsets of a given set
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Disjoint sets and what they mean
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Set theory laws: commutative and associative
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Reviewing set theory before a class test
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Finding the nth term of an arithmetic sequence
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Sum of the first n terms of an arithmetic series
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Finding the nth term of a geometric sequence
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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
Deciding whether a geometric series converges
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Deriving the arithmetic series sum formula
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Deriving the geometric series sum formula
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