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Basics of Quadratic Equations Video Lecture | Mathematics (Maths) for JEE Main & Advanced
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FAQs on Basics of Quadratic Equations Video Lecture - Mathematics (Maths) for JEE Main & Advanced
| 1. What is a quadratic equation? |  |
Ans. A quadratic equation is a polynomial equation of degree 2. It can be expressed in the form ax^2 + bx + c = 0, where a, b, and c are constants and 'x' is the variable.
| 2. How do you solve a quadratic equation? | |
Ans. There are several methods to solve a quadratic equation. The most common methods include factoring, completing the square, and using the quadratic formula. Each method involves manipulating the equation to isolate 'x' and find its values.
| 3. What is the discriminant of a quadratic equation? | |
Ans. The discriminant of a quadratic equation is the expression b^2 - 4ac, which helps determine the nature of the roots. If the discriminant is positive, the equation has two distinct real roots. If it is zero, the equation has one real root (a perfect square). And if it is negative, the equation has two complex conjugate roots.
| 4. Can a quadratic equation have only one root? | |
Ans. Yes, a quadratic equation can have only one root. This occurs when the discriminant is zero, resulting in a perfect square trinomial. In such cases, the equation can be factored into a repeated linear factor, giving it a single solution.
| 5. How are quadratic equations used in real-life situations? | |
Ans. Quadratic equations have various applications in real-life situations. They are used in physics to analyze motion, in finance to model profit and loss, in engineering to solve problems related to structures and forces, and in computer science to optimize algorithms. Additionally, they are utilized in various fields of science and technology to predict and understand natural phenomena.
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Nov 22, 2024 Last updated |
Video Description: Basics of Quadratic Equations for JEE 2024 is part of Mathematics (Maths) for JEE Main & Advanced preparation.
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