logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  CBSE XII  >>  Math  >>  Model Papers
0 votes

The angle between the planes \( \overrightarrow r .(3\hat i − 4\hat j +5\hat k) = 0 \: and\: \overrightarrow r .(2\hat i − \hat j − 2\hat k) \)is \[ \begin{array} (A)\: \frac{\pi}{3} \quad & (B) \: \frac{\pi}{2} \\ (C)\: \frac{\pi}{6} \quad & (D) \frac{\pi}{4} \end{array} \]

Can you answer this question?
 
 

Please log in or register to answer this question.

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...