Question

z = f(x,y), for each x,y the equation give the value of z.
and so determines a point (x,y,z) in​

Answer 1

Step-by-step explanation:

Find the value of x,y and z from the following equation:

(i) [

4

x

3

5

]=[

y

1

z

5

]

(ii) [

x+y

5+z

2

xy

]=[

6

5

2

8

]

(iii)

⎣

⎢

⎢

⎡

x+y+z

x+z

y+z

⎦

⎥

⎥

⎤

=

⎣

⎢

⎢

⎡

9

5

7

⎦