Related Questions

Consider p(s) = s3 + a2s2 + a1s + a0 with all real coefficients. It is known that it is derivative p'(s) has no real roots. The number of real roots of p(s) is
Consider with respect to HusserI's concept of phenomena.
1. Phenomena is a substantial unity that has real properties, real parts and real changes.
2. Phenomena is no substantial unity, that has no real parts and no real changes.
3. Phenomena has no nature, but only essence.
4. Phenomena have no essence, but only nature.
If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.
If, α and β are the roots of the equation 2x2 – 3x – 6 = 0, then what is the equation whose roots are α2 + 2 and β2 + 2?
If α and β are the roots of equation x2– 2x + 4 = 0, then what is the equation whose roots are α3/β2and β3/α2?
The characteristic equation of a control system is s(s2+ 6s+13)+K=0. The value of k such that the characteristic equation has a pair of complex roots with real part -1 will be :
The equation of motion for a vibrating system with viscous damping is d2x/dt2 + c/m X dx/dt + s/m X x = 0 If the roots of this equation are real, then the system will be
If roots of the auxiliary equation of $$\frac{{{{\text{d}}^2}{\text{y}}}}{{{\text{d}}{{\text{x}}^2}}} + {\text{a}}\frac{{{\text{dy}}}}{{{\text{dx}}}} + {\text{by}} = 0$$     are real and equal, the general solution of the differential equation is
The equation of motion for a vibrating system with viscous damping is $$\frac{{{d^2}x}}{{d{t^2}}} + \frac{c}{m} \times \frac{{dx}}{{dt}} + \frac{s}{m} \times x = 0.$$      If the roots of this equation are real, then the system will be
Given
$$\sum $$dxdy = 186, $$\sum $$dx = 11, $$\sum $$dy = 7, N = 10, $$\sum $$d2x = 215, $$\sum $$d2y = 163.
Find out correlation