John Oon's answer to sarah's Secondary 3 A Maths Singapore question.

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John Oon
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Use discriminate to prove.
John Oon
John Oon
3 years ago
ax² + bx + c = 0 , Discriminate = b² - 4ac > 0 ⇾ The quadratic equation has real and distinct roots.
sarah
Sarah
3 years ago