Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
+1 vote
2.9k views
in Vector algebra by (36.3k points)

Let PQR be a triangle vector a = vector QR, vector b = vector RP, vector c = vector PQ. If |vector a| = 12, |vector b| = 4√3, and vector b.vector c = 24, which of the following is (are) true?

1 Answer

+1 vote
by (33.0k points)
selected by
 
Best answer

Answer is 

Explanation:

We have,

Again,

Hence, the result. 

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...