Class 11Mathematics4-2.Quadratic Equations and InequationsSolution of quadratic inequations and Newton Formula
MediumIf ${x^2} + 2ax + 10 - 3a > 0$ for all $x \in R$,then
- A$-5 < a < 2$
- B$a < -5$
- C$a > 5$
- D$2 < a < 5$
Explore More
Similar Questions
What is the solution set of the inequality $x^2 + 2|x| - 15 \geq 0$?
Medium
View SolutionIf the inequality $kx^2 - 2x + k \geq 0$ holds good for at least one real $x$,then the complete set of values of $k$ is
For the inequality $2^{\log_{\sqrt{2}}(x - 1)} > x + 5$,the set of real values of $x$ is:
Difficult
View SolutionThe solution set of the inequation $\sqrt{x^2+6x+5} > (8-x)$ is
If for all real values of $x$,$\frac{4x^2 + 1}{64x^2 - 96x \sin \alpha + 5} < \frac{1}{32}$,then $\alpha$ lies in the interval
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo