5 JEE Main 2018 Quadratic Equation previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Quadratic Equation chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Quadratic Equation chapter hub.
Let p , q and r be real numbers p ≠ q , r ≠ 0 , such that the roots of the equation 1 x + p + 1 x + q = 1 r…
If λ R is such that the sum of the cubes of the roots of the equation, x²+(2-λ) x+(10-λ)=0 is minimum, then the magnitu…
If an angle A of a Δ A B C satisfies 5 cos A + 3 = 0 , then the roots of the quadratic equation 9 x 2 + 27 x + 20…
If λ ∈ R is such that the sum of the cubes of the roots of the equation x 2 + 2 - λ x + 10 - λ = 0…
If tan ⁡ A and tan ⁡ B are the roots of the quadratic equation 3 x 2 - 10 x - 25 = 0 , then the value of 3…