Sean's answer to Someoneeee's Secondary 4 A Maths question.

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Sean
Sean's answer
25 answers (Tutor Details)
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Answer.
Jiayang
Jiayang
6 years ago
You're supposed to reject y=-2. Sqrt(2^x) is strictly positive.
Sean
Sean
6 years ago
Yes, my mistake. In that case, answer would only be x=4.