Cheng's answer to shreya's Secondary 3 E Maths Singapore question.
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I used the A Math method to solve... not sure if is accepted in e math...
What we do is return the two roots into (x-a)(x-b)=0 form, then open up to get the full quadratic equation, then we compare the coefficient with the first given equation
What we do is return the two roots into (x-a)(x-b)=0 form, then open up to get the full quadratic equation, then we compare the coefficient with the first given equation
Date Posted:
2 years ago
thank you !
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