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junior college 1 | H2 Maths
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angelina
Angelina

junior college 1 chevron_right H2 Maths chevron_right Singapore

Help i think i'm using the wrong formula

Date Posted: 4 years ago
Views: 321

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Not sure about this one. Long forgotten my geometric progression already.
Eric Nicholas K
Eric Nicholas K
4 years ago
Let me know if you do not understand my workings and I will write them in greater detail. I skipped a few steps along the way.
J
J
4 years ago
Correct