If and are the roots of , what is the value of ?
Answer and explanation
Correct answer: C.
- Step 1: By Viète's formulas, and . Then . **Answer: . Why not the others:** The reciprocal sum is the ratio of sum over product: .
Practise more Algebră, Geometrie și Analiză Matematică II.
Free questions with an explanation for every one, and full timed Bacalaureat Național (Romania) mock tests.
More Algebră, Geometrie și Analiză Matematică II questions
- In an arithmetic progression , the first term is and the common difference is . What is the tenth term…
- In a geometric progression , and the common ratio is . What is the sum of the first 4 terms ?
- What are the coordinates of the vertex of the parabola associated with ?
- What is the real solution of the logarithmic equation ?
- What is the solution of the exponential equation ?
- Calculate the value of the expression .