Need help with (b). Thank you

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secondary 4 | A Maths
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secondary 4 A Maths Singapore

Need help with (b). Thank you

Date Posted: 2 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Keyword in part b: "Hence"

This implies u have to use part a answer to solve part b.

Date Posted: 2 years ago