1,331 prompts matching "Converting an answer back out of index form"
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Practice: Evaluating AB minus BA
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Practice: Comparing the inverse method with elimination for three equations
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Practice: Why the forces must sum to nought in two perpendicular directions
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Practice: Resolving three forces in two perpendicular directions
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Learn: Finding two unknown forces by Lami's theorem
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Learn: The probability that a normal variable lies between two values
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Practice: Using the normal tables when the z-score is negative
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Worked Example: The continuity correction when approximating a discrete distribution
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Worked Example: Testing two vectors for perpendicularity
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Practice: Deciding whether a point lies on a given line
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Worked Example: Squaring a complex number
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Practice: Differentiating x squared from first principles
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Worked Example: The quotient rule for differentiation
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Worked Example: Differentiating a bracket raised to a power
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Learn: Integrating a polynomial term by term
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Learn: Finding displacement by integrating velocity
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Practice: A body thrown vertically upwards
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Learn: Newton's second law written as F equals ma
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Practice: The middle term when the power is odd
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Add two matrices, 2x2 #1
Give me a matrix problem where A=[[2,3],[1,4]], B=[[5,-1],[0,2]] and I have to add them, s