1,326 prompts matching "What the formula gives when the discriminant is nought"
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WAEC Prep: Why the total area under the normal curve is one
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through why the total area
Spot My Mistake: Reading a probability from the standard normal table
Act as my SS3 Further Mathematics tutor. Work a question on reading a probability from the
Practice: The components of a vector given its magnitude and direction
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the components
Worked Example: The distance between two points in three dimensions
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WAEC Prep: The unit vector in the direction of a displacement
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Worked Example: Finding the unit vector in the direction of a given vector
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WAEC Prep: The distance between two points from their position vectors
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the distance betwe
Spot My Mistake: The vector from A to B as the difference of two position vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through showing a triangle
Practice: Deciding whether a point lies on a given line
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Spot My Mistake: The equilibrium condition written in vector form
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WAEC Prep: The imaginary unit i, and why i squared is minus one
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Spot My Mistake: Dividing one complex number by another using the conjugate
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WAEC Prep: The conjugate of a complex number, and how it is written
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WAEC Prep: The locus of a complex number equidistant from two points
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the locus of a com
Spot My Mistake: Classifying a stationary point by the second derivative
Act as my SS3 Further Mathematics tutor. Work a question on classifying a stationary point
Worked Example: The area between a curve and the x-axis
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WAEC Prep: The distance travelled in the first five seconds
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WAEC Prep: The rate at which the height of a liquid rises in a cone
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WAEC Prep: The distance covered in the nth second
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through the distance cover