Fewpal
0 votes
27 views
in Vector algebra by (245 points)

If I is the center of a circle inscribed in a triangle ABC, then ∣BC∣IA+∣CA∣IB+∣AB∣IC

Please log in or register to answer this question.

1 Answer

0 votes
by (50.0k points)

We know that the position vector of the incenter of a △ABC is given by

where  \(\bar a , \bar b , \bar c\) are the affixes of the vertices of the triangle. 
Therefore, in the given triangle ABC, the affix of I is given by 

by (245 points)
can u be more precise

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.

...