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secondary 3 | A Maths
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Lyn
Lyn

secondary 3 chevron_right A Maths chevron_right Singapore

My question is in the uploaded image. Thanks in advance.

Date Posted: 2 months ago
Views: 79

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Arnold K H Tan
Arnold K H Tan's answer
2154 answers (A Helpful Person)
1st
Just square both sides.

Author of several O-level Science guide books (my profile pic). My forte is tutoring O-level sciences (Chemistry, Physics, Biology). Telegram Messenger: @ChillXsg Note that only my tuition students have the privilege to direct message questions, to clarify.