How do you go about doing this question? Are the a and c the same but in differe

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

How do you go about doing this question? Are the a and c the same but in different signs? Thank you.

Date Posted: 1 year ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

All the best

Date Posted: 1 year ago