Quadratic Equations and Inequalities questions
963 published questions with worked solutions.
- If 2 + 3i is one of the roots of the equation 2x^3 - 9x^2 + kx - 13 = 0, k R, then the real root of this equation (where i^2 =...
- If the two roots of the equation, (a-1) (x^4+x^2+1 ) + (a+1) (x^2+x+1 )^2 = 0 are real and distinct, then the set of all values...
- If the equations x^2+bx-1 = 0 and x^2+x+b = 0 have a common root different from -1, then |b| is equal to:
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