Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • The value of k for which the points A (0, 1), B (2, k) and C(4, –5) are collinear is  Option: 1 2 Option: 2 -2 Option: 3 0 Option: 4 4

The value of k for which the points A (0, 1), B (2, k) and C(4, –5) are collinear is 
Option: 1 2
Option: 2 -2
Option: 3 0
Option: 4 4

Answers (1)

\\\text{Area of triangle}=\frac{1}{2}(x_1(y_2-y_3)+x_2(y_3-y_1)+x_3(y_1-y_2))=0\ \text{for collinear points}\\\\=\frac{1}{2}(0+2(-6)+4(1-k))=0\\\\-12+4-4k=0\\\\-4k=8\\\\k=-2

Posted by

Safeer PP

View full answer

Similar Questions

Trending Articles/News

anam-khan

CBSE Class 10 board exams twice a year ‘relief’ or ‘burden’? Parents, schools share mixed views
anam-khan

CBSE Class 10 exams twice a year from 2026; 64.4% students in favor, second attempt optional

Latest Question