LIONEL LIM's answer to Kathy's Secondary 4 A Maths Singapore question.

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LIONEL LIM
Lionel Lim's answer
131 answers (Tutor Details)
1st
(-1)^0.5 is actually imaginary number which i dont think is covered in secondary sch A Math. I denoted them as i for your info but the process of multiplication and power is still the same. Good luck!
Kathy
Kathy
5 years ago
Btw thanks for the help