1,043 prompts matching "Proving the sum formula for a geometric progression"
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Worked example: an AP where the 4th term is 15 and the 9th term is 35, find the first term and common difference
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Worked example: a GP where the 2nd term is 6 and the 5th term is 162, find the first term and common ratio
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Worked example: find the equation of the line through (2,3) and (5,9)
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Worked example: find the distance between the points (1,2) and (4,6)
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Worked example: find the midpoint of the segment joining (-3,5) and (7,-1)
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Worked example: find the equation of a circle with centre (2,-1) and radius 4
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Worked example: find the centre and radius of the circle x^2+y^2-4x+6y-3=0
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Worked example: find the magnitude of the vector (3,4)
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Worked example: find the angle between the vectors (1,2) and (3,-1) using the dot product
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Worked example: find the unit vector in the direction of (6,8)
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Worked example: how many distinct arrangements are there of the letters in the word MISSISSIPPI
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Give me a 5-minute recap of completing the square
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Give me a 5-minute recap of the remainder theorem
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Give me a 5-minute recap of the factor theorem
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Give me a 5-minute recap of the binomial theorem
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IGCSE Additional Maths Y11: Proving three points collinear using vectors — Explain It Back
I am in SS 2. I have just studied proving three points collinear using vectors for Cambrid
IGCSE Additional Maths Y11: Differentiating a sum of terms — Explain It Back
I am in SS 2. I have just studied differentiating a sum of terms for Cambridge IGCSE Addit
Teach me the completing the square when the coefficient of x squared is one
You are my SS2 Further Mathematics tutor. Teach me completing the square when the coeffici
Spot my mistake completing the square
Act as my SS2 Further Maths tutor. I tried to complete the square for x^2+6x+5=0 but I thi
Quiz me on the using the discriminant to describe the roots
Act as my SS2 Further Mathematics tutor and quiz me on using the discriminant to describe