May i know how to do qn 1? I tired alrdy but then my teacher say my method canno

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secondary 4 | A Maths
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secondary 4 A Maths

May i know how to do qn 1? I tired alrdy but then my teacher say my method cannot TAT

Date Posted: 7 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

Not sure if ur teacher agrees with method, but this is my way of proving. Continue expanding and u will get the soln

Date Posted: 7 years ago