1,210 prompts matching "why a line tangent to a curve gives equal roots"
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Worked Example: Using the sine rule on the triangle of forces
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Subscribe to unlock allPractice: Finding an unknown force from a closed polygon
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Subscribe to unlock allPractice: Limiting friction, and the greatest value it can reach
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Subscribe to unlock allPractice: Resolving three forces in two perpendicular directions
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Subscribe to unlock allWorked Example: Finding a particular term of a binomial expansion
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Subscribe to unlock allPractice: The probability of at least one success
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Subscribe to unlock allPractice: The probability of exactly r events in a Poisson distribution
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Subscribe to unlock allPractice: The variance of a binomial distribution as npq
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Subscribe to unlock allPractice: Using the normal tables when the z-score is negative
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Subscribe to unlock allWorked Example: The continuity correction when approximating a discrete distribution
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Subscribe to unlock allWorked Example: The distance between two points in three dimensions
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Subscribe to unlock allPractice: The dot product as the magnitudes times the cosine of the angle
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Subscribe to unlock allWorked Example: The powers of i, and the cycle they follow
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Subscribe to unlock allWorked Example: Squaring a complex number
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Subscribe to unlock allPractice: The sum of a complex number and its conjugate
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Subscribe to unlock allPractice: The argument of a complex number in the second or third quadrant
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Subscribe to unlock allPractice: The addition of complex numbers shown on an Argand diagram
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Subscribe to unlock allPractice: Differentiating x squared from first principles
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Subscribe to unlock allPractice: Differentiating sin x and cos x
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