Search for: The point A(1, – 1, 3), B(2, – 4,8) and C(5,- 18, 11) are The point A(1, - 1, 3), B(2, - 4,8) and C(5,- 18, 11) are AcollinearBnon-collinearCDo not say anythingDNone of the above Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:Now,Δxy=121−112−415−131=12|[1(−4+13)+1(2−5)+1(−26+20)]|=12|[9−3−6]|=0Δyz=12−131−451−13111=12|[−1(5−11)−3(−4+13)+1(−44+65)]|=12|[6−27+21]|=0Δzx=123115211151=12|[3(2−5)−1(5−11)+1(25−22)]|=12|[−9+6+3]|=0∴ Area of triangle=Δxy2+Δyz2+Δzx2=0+0+0=0Hence, given points are collinear. Related content CBSE Class 6 Science Chapter 1 Components of Food MCQ Questions with Answers Mother’s Day Quiz with Answers CBSE Class 9 History Chapter 1 MCQ Class 10 Science MCQ Chapter 3 Metals and Non-Metals How to Crack NEET in Drop Year? CBSE Class 9 Social Science MCQ CBSE Class 10 Science MCQs Chapter 2 Acids Bases and Salts CBSE Class 10 Science MCQs Chapter 1 Chemical Reactions and Equations with Answers How to Convert CGPA into Percentage CBSE Class 6 MCQs for All Subjects with Answers