Adrian Yeo's answer to Chelsea's Secondary 3 A Maths Singapore question.
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Square both sides to make a polynomial equation. Bring to one side and make the equations equal to zero . Next, use your calculator to find polynomial roots of X
Date Posted:
4 years ago
You must reject x = 1, since the square root of 2x2 - 4x + 3 in the original equation needs to be positive.
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