Calculate the value of z from the below equation: z^2âˆ’4z+6=0  Options.
A) 6 B) 5 C) 2 D) 1 E) 3
Use elimination method to find the correct option. you find that of all the options 2 is the correct value for z   Answer: 2
<result>C</result>
Calculate the value of z from the below equation: z^2âˆ’4z+6=0