need help with part (ii) onwards, pls explain too

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

need help with part (ii) onwards, pls explain too

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

still working on part iv

Date Posted: 3 years ago

LockB

3 years ago

thx :) i am able to do part(iv)