Andy Ng Jun Wei's answer to Shia Hui's Secondary 3 E Maths question.

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Andy Ng Jun Wei
Andy Ng Jun Wei's answer
39 answers (Tutor Details)
1st
Hi
Shia Hui
Shia Hui
7 years ago
Thank you Mr Ng I can understand until 2x3, 3x6 and 6x18

But how do we get Nth =(n-2)(n-1)?

Thank you for your patience..
Andy Ng Jun Wei
Andy Ng Jun Wei
7 years ago
It basically means that the nth term is the n-1 term times n-2 term, the 2 previous terms before it
Shia Hui
Shia Hui
7 years ago
Understood, thank you!
Andy Ng Jun Wei
Andy Ng Jun Wei
7 years ago
Welcome