Question

5. Solve using formula .
(1) 2x2 - 7x + 3 = 0
a = 2 , b = -7, c= 3
(ii) 2x2 - 1x - 4 = 0
a = 2 , b = -1, c= -4
(iii) 2x2 - 1x + 4 = 0
a = 2, b = -1, c = 4​

Answer 1

The roots are

Step-by-step explanation:

1. x=3,1/2

2.x=(1+√33)/4,(1-√33)/4

3.x=(1+i√31)/4,(1-i√31)/4