X= -2 / Y= -4 / Z= 4 (1.-) 3x + z - y (2.-) 2xz - 3xy + 4 Pls help me!
1 answer:
You might be interested in
f-¹(x)=
Answer:
Solution given:
f(x)=
Let f(x)=y
y=
Interchanging role of x and y
x=
doing crisscrossed multiplication
x(y+7)=-2y+2
now solve it:
xy+7x=-2y+2
keep like terms in one side
xy+2y=2-7x
take common
y(x+2)=2-7x
make a value of y
y=
So,
f-¹(x)=
