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secondary 3 | E Maths
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hazel
Hazel

secondary 3 chevron_right E Maths chevron_right Singapore

**all ans are correct except for q9 **
i cant get -4 as the square root when i use the other method. can someone pls help me to figire out what's my mistake asap thankyou

Date Posted: 5 years ago
Views: 266

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
In your working it's trying to say that

a^(-2) equals (root a)^-2.

or it's like saying a equals to the square root of a.