1,325 prompts matching "The two middle terms when n is odd"
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Worked Example: The discriminant, and what each of its three cases means
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Spot My Mistake: Forming a new equation whose roots are the reciprocals of the original
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Final Revision: The zeros of a polynomial and where its graph cuts the x-axis
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Worked Example: The sum of the products of the roots of a cubic taken two at a time
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Spot My Mistake: The relations between roots and coefficients for a quartic
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Final Revision: Checking that the roots found satisfy the original equation
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Spot My Mistake: Showing the solution of an inequality on a number line
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Common Mistakes: The range of values of x for which an expression stays positive
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Final Revision: The region of the plane satisfying a set of linear inequalities
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Practice: Arrangements when some of the objects are identical
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Explain Back: Arrangements in which two particular objects must stay together
I have just studied arrangements in which two particular objects must stay together in my
Common Mistakes: Arrangements restricted at the first or the last place
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Spot My Mistake: The identity that n choose r equals n choose n minus r
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Spot My Mistake: The double angle formula for sine
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Common Mistakes: Expressing a cos x plus b sin x in the form R cos of x minus alpha
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Common Mistakes: Giving the general solution of a trigonometric equation
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Spot My Mistake: The effect of c in y equals sin x plus c
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Explain Back: The equation of the line through two given points
I have just studied the equation of the line through two given points in my SS3 Further Ma
Spot My Mistake: The general form ax plus by plus c equals nought
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Final Revision: The perpendicular distance from a point to a line
Act as my WAEC Further Mathematics coach in the last week before the paper. I am in SS 3.