Answered: how can i prove this…

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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Question

how can i prove this

a(b+(c+d))=(ab+ac)+ad

Expert Solution

Explaination

To prove this we just have to prove that Left hand side i,e a(b + (c + d ))

is (ab + ac )+ad

Now one more thing to notice here is (ab + ac ) + ad can be written as ab + ac + ad because that doesn't make any difference

Hence we have to prove

Now we can try to prove them a(b + (c + d )) = ab + ac + ad

Also there are two method one as i mentioned here above and second is we just consider some values for both the equations and then fill those values in those equation and check if the answer we get for both of them is equal or not

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