IGCSE /Grade 10
Maths MCQ Based On Working with arithmetic sequences
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IGCSE Grade 10 Maths Working with arithmetic sequences
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use the concept of common difference in arithmetic sequence and do some modifications.
Use the formula for the sum of an arithmetic sequence
To find the first term and the common difference, we can compare the given formula for Sₙ with the general formula for the sum of an arithmetic sequence.
use the concept of common difference of arithmetic sequence.
use the concept of common difference in arithmetic sequence.
Use the formula for the sum of an arithmetic sequence
first make equations using given equations and then use the information gained after solving them to find the actual value.
The sum of the first 20 terms (Sₙ) can be calculated using the formula: Sₙ = (n/2)(2a₁ + (n - 1)d)
do the proper consideration of three consecutive terms
use the concept of an arithmetic sequence.
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