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secondary 3 | A Maths
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Ivey
Ivey

secondary 3 chevron_right A Maths chevron_right Singapore

Ans is x= 1/4 and 8 but I couldn't get there :(

Date Posted: 2 years ago
Views: 281
Eric Nicholas K
Eric Nicholas K
2 years ago
Got to change them to base 2 and then use a substitution u = log2 x.
Ivey
Ivey
2 years ago
Thank you so much!

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Arnold K H Tan
Arnold K H Tan's answer
2107 answers (A Helpful Person)
1st
From experience, its best to work with base 2, as 4 and 8 can be expressed as powers of 2.
Ivey
Ivey
2 years ago
Thank you so much!