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Modulus Inequalities - 1 Video Lecture | Crash Course for XAT - CAT

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FAQs on Modulus Inequalities - 1 Video Lecture - Crash Course for XAT - CAT

1. How do you solve modulus inequalities involving absolute values?
Ans. To solve modulus inequalities, first, isolate the absolute value expression on one side of the inequality. Then, consider two cases: if the expression inside the absolute value is positive, keep it as is; if it is negative, change its sign and flip the inequality symbol. Solve both resulting inequalities separately to find the solution set.
2. What is the difference between solving modulus equations and modulus inequalities?
Ans. When solving modulus equations, you are looking for the specific values of the variable that satisfy the equation. In contrast, when solving modulus inequalities, you are looking for a range of values that satisfy the inequality, which may include multiple solutions.
3. Can modulus inequalities have more than one solution?
Ans. Yes, modulus inequalities can have more than one solution because there may be multiple values of the variable that satisfy the inequality. It is important to carefully analyze the absolute value expression and consider all possible cases to find all solutions.
4. How can I check my solution to a modulus inequality?
Ans. To check your solution to a modulus inequality, substitute the values of the variable back into the original inequality and see if it holds true. If the inequality is satisfied, then the solution is correct; if not, then you may need to reevaluate your solution.
5. Are there any common mistakes to avoid when solving modulus inequalities?
Ans. One common mistake to avoid when solving modulus inequalities is forgetting to consider both cases when dealing with the absolute value expression. Make sure to carefully analyze the sign of the expression inside the absolute value and adjust the inequality accordingly to find the correct solution set.
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