Percentage wise distribution of Topics For Tier-II
Compound Interest
→ The amount A due after t years, when a principal P is given on compound interest at the rate R% per annum is given by -
Quadratic equations – These are the equations which look like ax 2 + bx + c = 0 These equations are asked in the competitive examinations in a set of 5 questions. Enough with the theory, the question in exams look like - In each of the following questions, two equations are given. Solve these equations and give answer: A) If x >= y, i.e. x is greater than or equal to y B) If x > y, i.e. x is greater than y C) If x <= y, i.e. x is less than or equal to y D) If x < y, i.e. x less than y E) If x = y, or no relation can be established between x and y Question 1: . Here we will discuss a method to solve these equations with minimal writing and as reduced time as possible. Keep in mind; we are doing exactly what we used to do before, just in a less time and less writing. +b +c * +a Note that I have written coefficients along with their signs +5 +6 * +1 Now, the next task for us is to find the factors in a way...
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