Question

to solve x+y=3 ; 3x-2y-4=0 by determinant method find D
a)5
b)1
c)-5
d)-1​

Answer 1

Answer:

-5

Step-by-step explanation:

x+y=3

a1=1,b1=1,c1=3

3x-2y=4

a2=3,b2=-2,c2=4

D=a1/a2*b1/b2

D=1/3*1/-2

D=(1*-2)-(1*3)

D=-2-3

D=-5