Arnold K H Tan's answer to Mika's Secondary 4 A Maths Singapore question.

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Arnold K H Tan
Arnold K H Tan's answer
2155 answers (A Helpful Person)
1st
Should be B. Considered too complicated for the O-levels... best to eliminate wrong options, to lead to the answer. Drawing field lines also helps
Mika
Mika
1 year ago
thank you!