Question

If x=1 , y=2 and z=4 then x²+y²+z²=​

Answer 1

Answer:

22

Step-by-step explanation:

x=1.........(1)

y=2...........(2)

z=4..............(3)

Therefore substitute value

We get,

(1)²+(2)²+(4)²=?

1+4+16=?

5+16=22

therefore the answer we get is 22

Answer 2

x²+y²+z²= 1²+2²+4²

= 1+4+16

= 21

Step-by-step explanation:

I hope it help you.