Question

Solution of the system of linear equations (α constant)  xsec²α - y tan²α + z = 2. 

x cos²α + y sin²α = 1 

x + z = 2 is (x, y, z) = ... 

(a) (1, 1, 1) 

(b) (1, 2, 2) 

(c) (2, 1, 2) 

(d) (1, 0, 1)

Answer 1

The correct option (a) (1, 1, 1)  

Explanation:

determinant of Coefficient matrix is