755 prompts matching "When the normal distribution may approximate the binomial"
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Common Mistakes: Rationalising when both terms of the denominator are surds
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Practice: Finding n when the sum of an arithmetic progression is given
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Spot My Mistake: Finding the common ratio when the third and sixth terms are given
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Worked Example: Which form of the sum formula to use when r is less than one
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Practice: Finding n when the sum of a geometric progression is given
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Practice: Reversing the sign when multiplying by a negative number
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Explain Back: The solution when the quadratic expression is greater than nought
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Spot My Mistake: The solution when the quadratic expression is less than nought
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IGCSE Additional Maths Y10: Completing the square when the coefficient of x squared is not one — Worked Example
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IGCSE Additional Maths Y10: The solution set when the two roots are equal — Spot My Mistake
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IGCSE Additional Maths Y10: When an exact surd answer is required rather than a decimal — Exam Technique
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IGCSE Additional Maths Y10: The remainder when the divisor is a quadratic — Show All Working
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Rationalising the denominator when it's a surd minus a surd
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Applying the sum to infinity formula when the ratio lies between minus one and one
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Changing the subject when the variable appears twice
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Expanding a binomial surd bracket
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Estimating the value of a surd
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Finding the common difference from given terms
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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