Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 4 of Miscellaneous Exercise

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4

If , then is it true that ? Justify your answer.

Let in given triangle


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Now, by using triangle law of vector addition,




As we can see that represent the sides of triangle.


Also we know that sum of two sides of a triangle must be greater than its third side.




is not true.


4

Chapter Exercises

More Exercise Questions

4

If , then is it true that ? Justify your answer.