755 prompts matching "The probability of exactly r successes in n trials"
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Rationalising using the conjugate
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Surds arising from Pythagoras' theorem
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Rationalising and then simplifying fully
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Dividing surds using the quotient rule
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Rationalising the denominator when it's a surd minus a surd
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Listing elements of a set from a description
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Union and intersection of two number sets
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Interpreting neither-nor in a Venn diagram problem
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Reviewing set theory before a class test
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Sum of an arithmetic series given the first and last term
I am in SS 1. Teach me using the formula Sn = n/2 (a + l) to find the sum of an arithmetic
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
Applying the sum to infinity formula when the ratio lies between minus one and one
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Deciding whether a geometric series converges
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Deriving the arithmetic series sum formula
I am in SS 1. Quiz me with 4 short Additional Maths questions on how the formula Sn = n/2
Sum of the first n odd numbers
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Explaining the difference between a sequence and a series
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Alternating sequences and their pattern
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Midpoint of a line segment
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Finding an endpoint given the midpoint
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Equation of a line through two given points
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