If 12 \overline{i}-12 \overline{j}-18 \overline{k},-3 \overline{i}-6 \overline{j}-9 \overline{k} and 3 \overline{i}+3 \overline{j}-24 \overline{k} be the position vectors of the vertices A, B and C respectively of \triangle A B C, then the position vector of the incentre of \triangle ABC is

Correct Answer is : 4−i−5−j−17−k

TS EAMCET 10-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

Question : 29 of 160

Marks: +1, -0

If 12i−12j−18k,−3i−6j−9k and 3i+3j−24k be the position vectors of the vertices A,B and C respectively of △ABC, then the position vector of the incentre of △ABC is

12
−
i
−15
−
j
−51
−
k
6
−
i
−
15
2
−
j
−
51
2
−
k
4
3
−
i
−
5
3
−
j
−17
−
k
4
−
i
−5
−
j
−17
−
k

Validate

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