If a=i+j-3k and b=-+2j-3k then Find the unit vector perpendicular to a and b .

 

If a=i+j-3k and b=-+2j-3k then 

a.)Find the unit vector perpendicular to a and b .
b.)Is a x b equal to b x a ? Comment on result.
c.)Find the sine angle between a and b
d.)Find the area of parallelogram and triangle whose adjacent sides are a and b.
e.)Prove that a x b is perpendicular to both a and b.

Answers:

Image Solution :

This question is of class 12 Mathematics for posted in Twelveians website for all science student all over Nepal.

This type of question can be asked in Exam as a MCQ or in conceptual form.So Hope you get it and understand the concept.

Also read: 

1.) Class 12 Organic Chemistry PDF File | Carboxylic Acid | Metal  | Chemistry to Mankind | Life

2.) Integral of (x+2) (3x+4)^1/2  | Anti-derivatives class 12

3.) Integral of xe^x/cos^2(xe^x-e^x) dx | Class 12 Anti derivatives ,Maths

4.)Integral of dx/(1+sinx) from 0 to pi | Evaluate integral from 0 to pi for dx/(1+sinx)

5.) Grade 12 NEB: Wave and Wave Motion(Physics) | Complete Note with pdf 

6.) Grade 12 NEB: Thermodynamics(Physics) | Complete Note Class 12 with pdf