755 prompts matching "IGCSE Additional Maths Y11: Stating the answer with its proper units — Exam Tech"
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Common Mistakes: An arithmetic progression with a negative common difference
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Learn: The formula for the sum of the first n terms of an arithmetic progression
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Show All Working: The sum of the terms lying between two given positions
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Final Revision: Deciding whether a given sequence is a geometric progression
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Learn: The formula for the sum of the first n terms of a geometric progression
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Show All Working: The sum to infinity of a geometric progression, and when it exists
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Final Revision: Proving the sum formula for a geometric progression
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Learn: The four inequality symbols, and what each one means
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Show All Working: Writing the solution of an inequality as a set
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Learn: Factorising a quadratic before solving the inequality
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Learn: What the modulus of a number means
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Show All Working: The region satisfying two linear inequalities together
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Final Revision: Writing the inequalities that describe a shaded region
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Verifying an index law with numbers
I am in SS 1. I'm going to explain verifying that a^m divided by a^n equals a^(m-n) using
Rationalising a denominator with a surd and integer
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Dividing surds using the quotient rule
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Rationalising a denominator with three surd terms
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Finding the nth term of an arithmetic sequence
I am in SS 1. I'm going to explain finding the nth term formula of an arithmetic sequence,
Sum of the first n terms of a geometric series
I am in SS 1. I'm going to explain using the formula Sn = a(r^n - 1)/(r - 1) to find the s
Finding a term given the sum of a series
I am in SS 1. I'm going to explain finding a specific term of a sequence by first finding