Question

Uncategorized question #1
Given that the decimal part of \[5+\sqrt{11}\] is A and the decimal part of \[5-\sqrt{11}\] is B. Let C=A+B, find the value of C.

Answer 1

Decimal part is the fraction part right?

Answer 2

1??

Answer 3

Fraction?! seems not...
The answer I've written is 1.. I forgot how did I get the answer :|

Answer 4

Then what is the decimal part?

Answer 5

The square root...

Answer 6

I don't understand. What is the decimal part of 434.4545343434 ? 0.4545343434 isn't?

Answer 7

\[5+\sqrt{11} = 8.31662479....\]
decimal part = 0.31662479....

Answer 8

Yes that's the fractional part of the number.

Answer 9

less than 1.

Answer 10

Okay... I don't know it can be expressed in a fraction :|

Answer 11

But how to solve it?
Note: no calculator!

Answer 12

No it can't be, actually programming knowledge terminology affected my answer.

Answer 13

Do you mean.... it is not solvable? Or...?

Answer 14

I think I can 'solve' it now... thanks.......

Answer 15

It is, C is also a decimal number right?

Answer 16

C is 1....

Answer 17

I am getting 1.28571 :/

Answer 18

9/7 actually

Answer 19

._.
\[5-\sqrt{11} = 1.68337521.....\]
B= 0.68337521....

Answer 20

The solution is actually... quite simple :|

Answer 21

:|

Answer 22

Should I post it?

Answer 23

Yes mam, please :|

Answer 24

\[5+\sqrt{11}=5+3+A\]\[5−\sqrt{11}=1+B\]Add them..
\[10=(5+3+A)+(1+B)\]\[A+B=1\]
This should be better :|

Answer 25

Ah ... nice solution!!
I had the intuition ... but couldn't think it would be so simple!!

Answer 26

How \( 5−\sqrt{11}=1+B\) ?
:|

Answer 27

Got it :|

Answer 28

sqrt 11 = 3.xxxxxx
5-3.xxxxx = 1.yyyyy

Answer 29

I am suck a fool :|

Answer 30

If fool = good, then you are :)

Answer 31

NO, this was so easy :( I was thinking it too hard and in the lines of complicated things :|

Answer 32

*such

Good solution Calli~