The prompt ask : For vector of A = i - j and vector B = i-2j find the dot product of A * B The magnitude of vector AThe magnitude of vector BThen write vector B as B =B1 +B2 where B1 is parallel to vector A and B2 is perpendicualr to vector A. I believe that I got the dot product which I tink is -3 and their magnitudes of both being A = 2^1/2 and B = 5^1/2 but I am completly lost on the sum of vector B.

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Answered: The prompt ask : For vector of A = i…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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The prompt ask : For vector of A = i - j and vector B = i-2j

find the dot product of A * B

The magnitude of vector A

The magnitude of vector B

Then write vector B as B =B₁ +B₂where B₁ is parallel to vector A and B₂is perpendicualr to vector A.

I believe that I got the dot product which I tink is -3 and their magnitudes of both being A = 2^1/2 and B = 5^1/2 but I am completly lost on the sum of vector B.

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