1,239 prompts matching "Summarise permutations and combinations for quick revision"
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Final revision: my three hardest Further Maths topics
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
I have just studied rationalising a denominator of the form a plus root b using the conjug
Worked Example: Simplifying an expression carrying both a negative and a fractional index
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Show All Working: Solving a logarithmic equation and rejecting the invalid root
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Worked Example: The discriminant, and what each of its three cases means
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Explain Back: The range of values of k for which the roots are real
I have just studied the range of values of k for which the roots are real in my SS3 Furthe
Common Mistakes: Adding, subtracting and multiplying two polynomials
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Explain Back: Forming a cubic equation whose three roots are given
I have just studied forming a cubic equation whose three roots are given in my SS3 Further
Show All Working: Counting the handshakes, or the lines joining n points
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Explain Back: The compound angle formula for tan of A plus B
I have just studied the compound angle formula for tan of A plus B in my SS3 Further Mathe
Worked Example: Solving cos x equals a negative value, and finding both solutions
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Worked Example: The shape, period and range of the cosine curve
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Worked Example: The midpoint formula applied to a given segment
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Worked Example: The equation of a circle with a given centre and radius
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Show All Working: The intersection of a circle and a straight line
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Worked Example: The parametric form of a point on a parabola
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WAEC Prep: The standard deviation of grouped data using an assumed mean
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Show All Working: The effect on the standard deviation of adding a constant to every value
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WAEC Prep: A couple, and why its moment is the same about every point
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Show All Working: A lift, and the person standing in it
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