Question:
If \(x^2+kx+1=0\) has a root x=1 then k=____
If \(x^2+kx+1=0\) has a root x=1 then k=____
Updated On: Apr 30, 2024
- 1
- 2
- 3
- -2
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
The correct option is (D): -2
Was this answer helpful?
0
0
Top Questions on Quadratic Equations
- If A.M. and G.M. of roots of a quadratic equation are $5$ and $4$ respectively, then the quadratic equation is:
- KCET - 2024
- Mathematics
- Quadratic Equations
- The roots of the quadratic equation \(x^2 + x – p (p + 1) = 0 \)are :
- CBSE Class X - 2024
- Mathematics
- Quadratic Equations
- If $\alpha$ and $\beta$ are the zeroes of the quadratic polynomial $f(x) = 6x^2 + 11x - 10$, find the value of $\frac{\alpha}{\beta} + \frac{\beta}{\alpha}$.
- CBSE Class X - 2024
- Mathematics
- Quadratic Equations
- If the roots of quadratic equation \(4x^2 - 5x + k = 0\) are real and equal, then value of \(k\) is:
- CBSE Class X - 2024
- Mathematics
- Quadratic Equations
- If $\alpha$ and $\beta$ are the zeroes of the quadratic polynomial $f(x) = 6x^2 + 11x - 10$, find the value of $\frac{\alpha}{\beta} + \frac{\beta}{\alpha}$.
- CBSE Class X - 2024
- Mathematics
- Quadratic Equations
View More Questions
Questions Asked in TS POLYCET exam
- The value of \(\tan 26^\circ. \tan 64^\circ\) is
- TS POLYCET - 2023
- Trigonometry
- When white light is incident on a glass prism, the least deviated colour is
- TS POLYCET - 2023
- Wave Optics
- If \(\sec \theta = \frac{2}{\sqrt{3}}\),then \(cosθ=\)
- TS POLYCET - 2023
- Trigonometry
- In the figure, if AP and AQ are the two tangents to a circle with centre 'O' so that \(∠OQP=15°\), then \(∠QAP=\)
- TS POLYCET - 2023
- Tangent to a Circle
- The value of \(\sqrt{\frac{1+sin\ \theta}{1-sin\ \theta}}\) is
- TS POLYCET - 2023
- Trigonometry
View More Questions