Question

(4) To solve x + y = 3 - 2 - 4 = 0 by determinant method find
D
(A) 5
(B) 1
(C) -5
(D) - 1​

Answer 1

Question

X-y =2-3-4=0

Explanation:

X+y=3-1

3x-2y=4-2

D = 1 - 1

3 - 2

= -2-3= - 5

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