Find the discriminant of each of the following equations:
(i)`2x^(2)-7x+6=0" "(ii)" "3x^(2)-2x+8=0`
(iii)`2x^(2)-5sqrt(2)x+4=0" "(iv)" "sqrt(3)x^(2)+2sqrt(2)x-2sqrt(3)=0`
(v)`(x-1)(2x-1)=0" "(vi)" "1-x=2x^(2)`

Answer

`(i)" "1" "(ii)" "-92" "(iii)" "18" "(iv)" "32" "(v)" "1" "(vi)" "9`