Question

to solve x+y=3,3x-2y=4 by determinant method ,find d

A)5
B)1
C) -5
D) -1
​

Answer 1

Answer:

x+y=3 eq1

3x-2y=4 eq2

now take value of x in equation 1 and put in equ2 than find value of y

x=3-y

9-3y-2y=4

-5y=4-9

-5y=-5

y=1

put the value of y in equ 1 find value of x

x=2

ans bis right

Answer 2

Answer:

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