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secondary 3 | A Maths
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Dunelm
Dunelm

secondary 3 chevron_right A Maths chevron_right Singapore

Need help for this question. Thank You.

Date Posted: 3 years ago
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Julian Det De Villa Zapanta
Julian Det De Villa Zapanta's answer
2 answers (Tutor Details)
The proof relies on the rationalisation radicals.

As for part 2 of the question, it requires you to view the sum in pairs and notice that it will sum up to 0 leaving behind the initial and the final radicald of the entire sum.