need help with this qn, pls explain too

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

need help with this qn, pls explain too

Date Posted: 2 years ago

Eric Nicholas K

2 years ago

I write down this one on paper since there is no way I can write (n 2) on this chat

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Rough idea

Date Posted: 2 years ago

LockB

2 years ago

thx!! i understand how to solve it now :)