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Let the vectors ` veca` and ` vecb` be such that `|veca|=3` and `| vecb|=(sqrt(2))/3` , then ` v...
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Question From - NCERT Maths Class 12 Chapter 10 EXERCISE 10.4 Question – 11 VECTOR ALGEBRA CBSE, RBSE, UP, MP, BIHAR BOARD
QUESTION TEXT:-
Let the vectors ` veca` and ` vecb` be such that `|veca|=3` and `| vecb|=(sqrt(2))/3` , then ` vecaxx vecb` is a unit vector, if the angle between ` veca` and ` vecb` (A) `pi//6` (B) `pi//4` (C) `pi//3` (D) `pi//2`
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Related Questions & Solutions:
1. Find `| - gt axx - gt b|` , if ` - gt a= hat i-7 hat j+7 hat k` and ` - gt b=3 hat i-2 hat j+2 hat k`...
2. Find a unit vector perpendicular to each of the vector ` - gt a+ - gt b` and ` - gt a- - gt b` where ` - gt a=3 hat i+2 hat j+2 hat k` and ` - gt b= hat i+2 hat j-2 hat k`...
3. Find `lambda` and `mu` if `(2 hat i+6 hat j+27 hat k)xx( hat i+lambda hat j+mu hat k)= ->,0` ....
4. Given that ` vec a vec b=0` and ` vec axx vec b= 0` . What can you conclude about the vectors ` vec a` and ` vec b` ....
5. Let the vectors ` vec a , vec b , vec c` be given as `a_1 hat i+a_2 hat j+a_3 hat k , b_1 hat i+b_2 hat j+b_3 hat k , c_1 hat i+c_2 hat j+c_3 hat k` . Then show that ` vec axx( vec b+ vec c)=vec a xx ...
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QUESTION TEXT:-
Let the vectors ` veca` and ` vecb` be such that `|veca|=3` and `| vecb|=(sqrt(2))/3` , then ` vecaxx vecb` is a unit vector, if the angle between ` veca` and ` vecb` (A) `pi//6` (B) `pi//4` (C) `pi//3` (D) `pi//2`
Doubtnut के साथ १००% मार्क्स पायें, आज ही डाउनलोड करें :-
Related Questions & Solutions:
1. Find `| - gt axx - gt b|` , if ` - gt a= hat i-7 hat j+7 hat k` and ` - gt b=3 hat i-2 hat j+2 hat k`...
2. Find a unit vector perpendicular to each of the vector ` - gt a+ - gt b` and ` - gt a- - gt b` where ` - gt a=3 hat i+2 hat j+2 hat k` and ` - gt b= hat i+2 hat j-2 hat k`...
3. Find `lambda` and `mu` if `(2 hat i+6 hat j+27 hat k)xx( hat i+lambda hat j+mu hat k)= ->,0` ....
4. Given that ` vec a vec b=0` and ` vec axx vec b= 0` . What can you conclude about the vectors ` vec a` and ` vec b` ....
5. Let the vectors ` vec a , vec b , vec c` be given as `a_1 hat i+a_2 hat j+a_3 hat k , b_1 hat i+b_2 hat j+b_3 hat k , c_1 hat i+c_2 hat j+c_3 hat k` . Then show that ` vec axx( vec b+ vec c)=vec a xx ...
Get Classwise & Chapterwise Definitions & Solutions from NCERT Book:
Score 100% With Doubtnut
Prepare your class 12 subjects with our intuitive video solutions and score well in your final academic exam 2019-20. Students can click the doubt question from their text book of class 12 maths, physics, chemistry, biology, and find instant video solutions on our renowned doubt solving app or even on our website.
The video tutorials are helpful in preparation for the entrance exams like IIT JEE Main and Advanced, and NEET exam. Students can resolve their doubts with self-explanatory video solutions of questions from popular books of Math, Physics, Chemistry, Biology are solved for easy and swift learning.
Subscribe our channel for latest and trending videos on various topics from subjects like – Maths, Physics, Chemistry, Biology etc for Board & higher studies.
Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT के गणित/
भौतिक विज्ञान/रसायन विज्ञान/जीव विज्ञान/ के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी
भी गणित सवाल का जवाब - 5 लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर
Doubtnut App and website has video solutions of ALL the NCERT questions from Class 6 to 12. You can download the NCERT solutions in pdf format too.
Doubtnut app provides free online video solutions that help students to better understand each topic and retain what they have learnt for a longer duration. It further helps in creating a stronger foundation for future classes.
You can also ask any question related to Math, Physics, Chemistry, Biology and get a video solution for FREE from a library of more than 5 Lakhs Videos
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