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secondary 4 | A Maths
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Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

Thank you

Date Posted: 5 years ago
Views: 347
Eric Nicholas K
Eric Nicholas K
5 years ago
Seen.

(a) let u = 2^x

(b) let u = 3^x

Will do up the rest later.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
The equations all reduce to cubic-looking equations which you can solve using the polynomial techniques.