Please help,, thank you in advance !!

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

Please help,, thank you in advance !!

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

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binomial expansion:
a is 1,
b is big X that I bracketed

Date Posted: 3 years ago

Mirabelle

3 years ago

Thank you so much !!