J's answer to Noel's Junior College 2 H3 Maths Singapore question.

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J
J's answer
1024 answers (A Helpful Person)
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Here's a similar question posted by another student (from NTU I think) a few weeks back.
J
J
5 years ago
NUS*
J
J
5 years ago
The answer is 16/27.

But it's a little trickier as after rationalising both numerator and denominator, you'll get a cubic polynomial on both the numerator and denominator, which you'll need to factorise, and then cancel out common factors.