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Cat O Happy 03-31-2021 12:23 PM

what's the square root of 5
 
what's the square root of 5
I got 2.92401774
and idk
help

Dynam0 03-31-2021 01:11 PM

Re: what's the square root of 5
 
the square root of 69 is 8.some

sploder12 03-31-2021 01:20 PM

Re: what's the square root of 5
 
We can linearize the sqrt(x) at x = 4 to get the line y - 2 = 1/4(x - 4)
by plugging in 5 to this line we get y - 2 = 1/4(5-4) which simplifies to y = 1/4 + 2
therefore sqrt(5) is about 2.25, however this is an overestimate since sqrt(x) is concave down for the entire interval for which it is defined.

Or just plug it into a calculator and get 2.2360679775...

0 03-31-2021 01:52 PM

Re: what's the square root of 5
 
yes

XCV 03-31-2021 03:16 PM

Re: what's the square root of 5
 
sqrt(5) = 2 + 1/(2 + sqrt(5)), hope this helps

Hakulyte 03-31-2021 04:20 PM

Re: what's the square root of 5
 
That moment when you realize a square root is the same as ^(1/2).

WirryWoo 03-31-2021 08:14 PM

Re: what's the square root of 5
 
2*phi - 1 where phi is the golden ratio

BigHayden1 03-31-2021 08:42 PM

Re: what's the square root of 5
 
Quote:

Originally Posted by Dynam0 (Post 4757898)
the square root of 69 is 8.some

cause i been tryna work it out ohhh

Matthia 04-1-2021 02:52 AM

Re: what's the square root of 5
 
Quote:

Originally Posted by WirryWoo (Post 4757920)
2*phi - 1 where phi is the golden ratio

Phi is such an insane number!!

Did you guys know that

phi^2 = phi + 1

and

phi^-1 = phi - 1

XCV 04-1-2021 02:02 PM

Re: what's the square root of 5
 
Quote:

Originally Posted by Matthia (Post 4757995)
Phi is such an insane number!!

Did you guys know that

phi^2 = phi + 1

and

phi^-1 = phi - 1


This is a fun little trick.

mi40 04-1-2021 06:52 PM

Re: what's the square root of 5
 
AMZN 3200C 2022

Cat O Happy 04-6-2021 08:51 PM

Re: what's the square root of 5
 
figured out I'm terribly wrong
2.92401774 to the third power is apparently 25 though

Matthia 04-6-2021 09:11 PM

Re: what's the square root of 5
 
Hmmm looks like you took the cube root of 5 squared then

mrpreggers 04-7-2021 11:46 AM

Re: what's the square root of 5
 
please keep us updated


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