Tham KY's answer to Rae Kuan's Junior College 1 H2 Maths Singapore question.

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Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
Pls verify ...
Rae Kuan
Rae Kuan
4 years ago
Thank you for your help! But could I please clarify, what formulas were you using in part i and ii? Thanks again
Tham KY
Tham KY
4 years ago
Not really a formula...
Total number of terms = (last term - first term)/common difference +1.
Very useful to find number if terms in AP GP...
Rae Kuan
Rae Kuan
4 years ago
I see, thank you