IGCSE /Grade 10
Maths MCQ Based On Writing variable expressions for geometric sequences
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IGCSE Grade 10 Maths Writing variable expressions for geometric sequences
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To find the common ratio, divide any term by its preceding term.
r is the common ratio.
Find the common ratio, r.
Use the formula: an= a1 (r)n-1
To find the common ratio, divide any term by its preceding term.
the formula to find the nth term of GP is:
an = tn = arn-1
Sn = a + ar + ar2 + ar3 +…+ arn-1
Use the formula:
an= a1 (r)n-1
the formula to find the nth term of GP is:
an = tn = arn-1
Use the formula: an= a1 (r)n-1
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