Solve this following

Question:

If the two lines $\mathrm{x}+(\mathrm{a}-1) \mathrm{y}=1$ and $2 x+a^{2} y=1(a \in R-\{0,1\})$ are perpendicular, then the distance of their point of intersection from the origin is :-

  1. $\frac{2}{5}$

  2. $\frac{2}{\sqrt{5}}$

  3. $\frac{\sqrt{2}}{5}$

  4. $\sqrt{\frac{2}{5}}$


Correct Option: , 4

Solution:

 

Leave a comment

Close
faculty

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.

Download Now