Question

Let A = {1, 2, 3) and B = {2,3,4} then AU B is
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Answer 1

Answer:

Answer

0

All you need is to find the length of the median BD. You can derive the following median formula using Cosine Law.

⇒ ⇒ Mb=122c2+2a2−b2−−−−−−−−−−−√BD=10−−√2□Area=52

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edited Jan 15 '17 at 11:46

Answer 2

Answer:

Given

A= ( 1, 2, 3)

B= (2, 3, 4)

AUB = {1, 2, 3) U( 2, 3, 4)

AUB =(1,2,3,4)