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06 - Cross Multiplication Method (problem Solving) - Class 10 - Maths Video Lecture

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FAQs on 06 - Cross Multiplication Method (problem Solving) - Class 10 - Maths Video Lecture

1. What is the cross multiplication method in problem solving?
Ans. The cross multiplication method is a technique used in problem solving, particularly in solving equations involving fractions. It involves multiplying the numerator of one fraction by the denominator of the other fraction and vice versa, and then equating the two products. This method helps to simplify and solve equations with fractions efficiently.
2. How does the cross multiplication method work?
Ans. The cross multiplication method works by multiplying the numerator of one fraction by the denominator of the other fraction and vice versa. This is done in order to eliminate the fractions and simplify the equation. The resulting equation is then solved to find the value of the variable.
3. When is the cross multiplication method used in problem solving?
Ans. The cross multiplication method is commonly used in problem solving when dealing with equations involving fractions. It is particularly helpful when solving equations with unknown variables, where fractions are present. This method allows for a simplified approach to solving such equations.
4. Can the cross multiplication method be used for all types of equations?
Ans. The cross multiplication method is primarily used for equations involving fractions. It may not be suitable for all types of equations, such as those with radicals or exponential terms. However, for equations with fractions, the cross multiplication method is an effective technique to simplify and solve the equation.
5. Are there any alternatives to the cross multiplication method in problem solving?
Ans. Yes, there are alternative methods to solve equations involving fractions. One such method is the common denominator method, where the fractions are converted to have the same denominator before solving the equation. Another method is the elimination method, which involves adding or subtracting equations to eliminate one variable and solve for the other. The choice of method depends on the specific equation and the preferences of the solver.
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