Kelsey Ong Hui Ping's answer to Shion's Secondary 4 A Maths question.

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Kelsey Ong Hui Ping
Kelsey Ong Hui Ping's answer
22 answers (Tutor Details)
expand using general binomial expansion. for part ii, do comparison of terms, for the first constant term, x term and x-squared terms, to get the 3 unknowns.