Question

A points which divides the joint of $\left(1,2\right)$ and $\left(3,4\right)$ externally in the ratio $1:1$

• A. lies in the first quadrant
• B. lies in the second quadrant
• C. lies in the third quadrant
• D. can not be found

Answer 1

The correct option is D can not be found

Solution -

REF. Image

$m-n=0$

so, $x=\frac{m{x}_2-n{x}_1}{m-n}$ and $y=\frac{m{y}_2-n{y}_1}{m-n}$

If $m-n=0$

then it can not be found.

D is correct.