Math Is Fun Forum

jonny

Guest

division

if line sagment AB divide by any point C in k:1 ration then

(A) If k>0, then point C divide line AB divide Internally

(B) if k<0, then point C divide line AB divide Externally

can any one explain me why this happen

thanks

Bob

Administrator

Registered: 2010-06-20

Posts: 10,649

Re: division

hi jonny,

In 62 years of doing maths I have not met this idea ( k < 0 for external divisions) but why not?

If you are measuring consistently along the line, then for an external division one measurement must be negative.

I had a look at a few sites and the best explanation I found is at

http://www.artofstudy.com/article/26-7- … iven-ratio

Bob

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Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob