Solving problems related to quadratic equations from "summary" of RRB ALP Exam PDF-RRB Assistant Loco Pilot Exam-CBT-1-Mathematics Subject eBook by Chandresh Agrawal,Nandini Books
Quadratic equations are a fundamental concept in mathematics that often appear in various competitive exams like the RRB ALP Exam. These equations are of the form ax^2 + bx + c = 0, where x represents the unknown variable, and a, b, and c are constants. To solve problems related to quadratic equations, one must understand the different methods available. One common method to solve quadratic equations is by factoring. Factoring involves finding two numbers that multiply to ac and add up to b in the equation ax^2 + bx + c = 0. By factoring the quadratic equation into two binomials, one can easily find the solutions for x. Another method to solve quadratic equations is by using the quadratic formula. The quadratic formula states that x = (-b ± √(b^2 - 4ac)) / 2a. By substituting the values of a, b, and c into the formula, one can calculate the two possible solutions for x. In some cases, the quadratic equation may not factor easily or have complex...
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