1,045 prompts matching "The effect of one extra value on the mean"
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Worked example: an AP with first term 5 and common difference 3, find the 20th term and the sum of the first 20 terms
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Worked example: a GP with first term 4 and common ratio 2, find the 8th term and the sum of the first 8 terms
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Worked example: find the equation of the tangent to y = x^2 - 5x + 6 at the point where x = 1
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Worked example: find the equation of the line through (2,3) and (5,9)
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Worked example: find the equation of a circle with centre (2,-1) and radius 4
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Worked example: find the unit vector in the direction of (6,8)
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Worked example: find the term in x^3 in the expansion of (2x-1)^6
Act as my SS2 Further Maths tutor. Show me a full worked example for this binomial theorem
Worked example: find the coefficient of x^4 in the expansion of (1+3x)^7
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Worked example: write the converse, inverse and contrapositive of 'if a number is even, then it is divisible by 2'
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Real-life application of testing the validity of an argument
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Show All Working: Completing the square with a fractional coefficient of x
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Show All Working: The point of contact when a line touches a curve
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Common Mistakes: The degree of the quotient and of the remainder
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Spot My Mistake: Finding the remaining roots once one is known
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Practice: The conjunction of two propositions
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Practice: The converse of a conditional
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Show All Working: The negation of a tautology
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Show All Working: The fallacy of affirming the consequent
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Common Mistakes: The fallacy of denying the antecedent
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Common Mistakes: The number of ways of dividing a class into groups
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