1,326 prompts matching "What the formula gives when the discriminant is negative"
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WAEC Prep: The conical pendulum
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Show All Working: A body in a vertical circle, and the tension at the top
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Practice: The maximum speed and the maximum acceleration in simple harmonic motion
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WAEC Prep: The simple pendulum as an example of simple harmonic motion
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Practice: The difference between an elastic string and a spring in compression
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Explain Back: The elastic potential energy stored in a stretched string
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Spot My Mistake: A particle hanging in equilibrium on an elastic string
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Show All Working: The work done in stretching an elastic string
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Spot my mistake: Treating any vector with small components as a unit vector
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The vertical line test
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Find the coefficient command word: binomial expansion
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Give me a full Additional Maths style Paper 2 structured question
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Spot my mistake: dividing a polynomial by long division
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Spot my mistake: checking each line of a trigonometric identity proof
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Worked example: solve the simultaneous system y = 2x - 1 and y = x^2 - 4
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Quiz me on recognising which command word fits a blank exam question
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Worked Example: The associative law for the product of three matrices
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Worked Example: Evaluating a 3 by 3 determinant by the rule of Sarrus
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Worked Example: Forming the determinant Dy by replacing the second column
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Worked Example: Checking the solution of three equations by substitution
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