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Algebraic Cross Multiplication Video Lecture - Class 10

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FAQs on Algebraic Cross Multiplication Video Lecture - Class 10

1. What is cross multiplication in algebra?
Ans. Cross multiplication is a method used in algebra to solve equations involving fractions. It is used to find the value of an unknown variable by multiplying the numerator of one fraction with the denominator of the other fraction and vice versa.
2. How is cross multiplication applied in solving equations?
Ans. Cross multiplication is applied when solving equations with fractions. In such cases, the cross multiplication method helps in simplifying the equation by eliminating the denominators. By multiplying the numerator of one fraction with the denominator of the other fraction, we can obtain an equation without any fractions, making it easier to solve.
3. Can cross multiplication be used for all types of equations?
Ans. No, cross multiplication can only be used for equations involving fractions. It is specifically used to solve linear equations with one variable, where the unknown variable is present in the numerator or denominator of a fraction.
4. Are there any limitations to using cross multiplication?
Ans. Yes, there are limitations to using cross multiplication. It can only be applied when dealing with linear equations and fractions. If the equation involves higher powers of the unknown variable or other mathematical operations, cross multiplication cannot be used to solve it.
5. Can cross multiplication be used in higher-level mathematics?
Ans. Cross multiplication is primarily used in basic algebra and is an introductory concept. In higher-level mathematics, more advanced methods and techniques are employed to solve complex equations. While cross multiplication may still be useful in some cases, it is not the primary method used in advanced math courses.
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