Question:
If in a parallelogram $\mathrm{ABDC}$, the coordinates of $\mathrm{A}$, $B$ and $C$ are respectively $(1,2),(3,4)$ and $(2,5)$, then the equation of the diagonal $\mathrm{AD}$ is:-
Correct Option: , 4
Solution:
co-ordinates of point $\mathrm{D}$ are $(4,7)$
$\Rightarrow$ line $\mathrm{AD}$ is $5 \mathrm{x}-3 \mathrm{y}+1=0$
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.