Question

Find the value of below algebrnic expression for
for x=2 y = -1 d z=2 4x
²- 3y² +52²​

Answer 1

Answer:

4x²-3y²+5z²=0

4(2)²-3(-1d)²+5(2)²=0

4(4)-3(d)²+5(4)=0

-3d²=-16-20

-3d²=-36

d²=-36/-3

d²=12

d=2√3