4

( √2 - √3 )² =

Mon 22 May, 2017 05:40 am
( β2 - β3 )Β² =
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Type: Question • Score: 4 • Views: 1,308 • Replies: 19

timur

3
Mon 22 May, 2017 06:23 am
( β2 - β3 )Β² =0.10102051443364380360543185058822

Simple calculation..
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centrox

1
Mon 22 May, 2017 06:28 am
bookmark
0 Replies

McGentrix

1
Mon 22 May, 2017 06:44 am
That checks out. PEMDAS
0 Replies

Tryagain

4
Mon 22 May, 2017 06:46 am
( β2 - β3 )Β² = 5 - 2β6

Expand as for (a - b)2. (β2 - β3)(β2 - β3) = 2 - 2(β2 x β3) + 3

You "FOIL" it. FOIL stands for "First, Outer, Inner, Last", and that's the order you multiply the terms in.

( β2 - β3 ) X ( β2 - β3 )

First: β2 X β2 = 2
Outer: β2 X -β3 = -β6
Inner: -β3 X β2 = -β6
Last: -β3 X -β3 = 3

2 - β6 - β6 + 3
5 - 2(β6)

The answer is 5 - 2(β6)

5-2β6 is in surd form.
This would also be equal to 0.101 >>> in accord with the honourable sagacious Timurβs pronouncement.
centrox

1
Mon 22 May, 2017 06:48 am
That's it, Tryagain. The OP didn't want an answer, he wanted us to do his homework for him.

0 Replies

McGentrix

0
Mon 22 May, 2017 06:48 am
@Tryagain,
Where did the 5 - 2β6 come from? Was it missed in the original post?
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timur

1
Mon 22 May, 2017 06:53 am
Not everybody is following, it seems..
McGentrix

1
Mon 22 May, 2017 06:55 am
@timur,
then he is just writing out the foiled part? Seems redundant. To be fair, it's early and Monday...
ekename

1
Mon 22 May, 2017 07:01 am
If only Trya would change one of the tags on his World's First Riddle thread to 'mathematics' or 'homework' so that you guys that know stuff could answer his questions.
0 Replies

centrox

1
Mon 22 May, 2017 07:02 am
@McGentrix,
McGentrix wrote:

then he is just writing out the foiled part? Seems redundant. To be fair, it's early and Monday...

In this type of school math exercise, the required 'answer' is the surd that Tryagain provided. A surd is an irrational number, a number which cannot be expressed as a fraction or as a terminating or recurring decimal. The square root of 6 is irrational.

0 Replies

seac

1
Mon 22 May, 2017 07:37 pm
Wouldn't a computer do the operation inside the parenthesis first, then square it?
0 Replies

newmoonnewmoon

-1
Mon 22 May, 2017 07:40 pm
@enzoeducation,
(β2 β β3)Γ2
= β0.6356744904
0 Replies

newmoonnewmoon

-1
Mon 22 May, 2017 07:42 pm
@enzoeducation,
My mistake..

(β2ββ3)2
= β0.6356744904
ekename

1
Mon 22 May, 2017 08:14 pm
@newmoonnewmoon,
Quote:
My mistake..

(β2ββ3)2
= β0.6356744904

newmoonnewmoon

0
Mon 22 May, 2017 09:00 pm
@ekename,
Typo
ekename

1
Mon 22 May, 2017 10:14 pm
@newmoonnewmoon,

( β2 - β3 )Β² = 5 - 2β6
0 Replies

centrox

1
Tue 23 May, 2017 12:53 am
@newmoonnewmoon,
newmoonnewmoon wrote:

My mistake..

(β2ββ3)2
= β0.6356744904

You don't understand what the little raised 2 means, do you?
ekename

1
Tue 23 May, 2017 01:11 am
@centrox,
Such language: so prescriptive and descriptive, and yet somehow superscriptive.

0 Replies

newmoonnewmoon

1
Tue 23 May, 2017 03:02 pm
@centrox,
To the second power?
0 Replies

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