CUET Preparation Today
CUET
-- Mathematics - Section B1
Determinants
If the area of triangle with vertices A(1, 3), B(2, 0) and C(k, 2 k) is $\frac{k^2}{2}$ sq. units, then the value(s) of k is/are:
2 and -3
-2 and -3
2 and 3
-2 and 3
The correct answer is Option (3) - 2 and 3