1,326 prompts matching "Rationalising the denominator when it's a surd minus a surd"
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Quiz: The probability in the upper tail of a normal distribution
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Spot My Mistake: When the normal distribution may approximate the binomial
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Quiz: The direction of a vector as an angle with the x-axis
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Spot My Mistake: The vector from A to B as the difference of two position vectors
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Spot My Mistake: The equilibrium condition written in vector form
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Quiz: The product of a complex number and its conjugate
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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Spot My Mistake: The sum of the first n terms of an arithmetic progression
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WAEC Prep: Clearing the denominators before comparing coefficients
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WAEC Prep: The remainder when a polynomial is divided by a quadratic
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Quiz: The complement of a set within a stated universal set
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Learn: Simplifying a surd by extracting the largest perfect square
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Quiz: Solving an index equation by writing both sides to the same base
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Spot My Mistake: The power law of logarithms
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Common Mistakes: Symmetric functions when the three roots of a cubic are involved
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Spot My Mistake: Showing the solution of an inequality on a number line
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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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Quiz: The tangent curve and its asymptotes
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Spot My Mistake: The equation of the tangent to a circle at a point on it
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Spot My Mistake: The point at which a loaded beam will tip about its support
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