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If the roots of (x^2-7x+10=0) are (\alpha) and (\beta), what is (\frac{1}{\alpha}+\frac{1}{\beta})?
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Answer and explanation
Correct answer: ( \frac{7}{10}) / (\frac{7}{10})
(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{\alpha+\beta}{\alpha\beta}=\frac{7}{10}). In exams, first write sum and product for reciprocal questions.
Frequently asked questions
What is the correct answer to this question?
( \frac{7}{10}) / (\frac{7}{10})
Why is this the correct answer?
(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{\alpha+\beta}{\alpha\beta}=\frac{7}{10}). In exams, first write sum and product for reciprocal questions.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.
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