Keep reading to learn more about Dots algebra and how to use it.

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This operationâ€”multiplying two vectors' entries in pairs and summingâ€”arises often in applications of linear algebra and is also foundational in the theory of linear algebra. Definition. The dot product of two vectors in is defined by.

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We know that: This formula is used to factorise some algebraic expressions.. Example 5. Solution: Taking out a Common Factor. To factorise an algebraic expression, always look for a common factor.If there is a common factor, then