defence exam Army Havildar SAC Mock Test Series 2025 Mathematics Determinants Application of Determinants
The area of the triangle whose vertices are (-2, a) (2, -6) and (5, 4) is 35 sq units then the value of 'a' is
1
4
2
\(\frac{53}{3}\)
3
\(-\frac{23}{3}\)
4
\(\frac{128}{3}\)