Find the discriminant of each of the following equations:

2x2 – 7x + 6 = 0


Given: 2x2 – 7x + 6 = 0

Comparing with standard quadratic equation ax2 + bx + c = 0


a = 2, b = – 7, c = 6


Discriminant D = b2 – 4ac


= (– 7)2 – 4.2.6


= 49 – 48 = 1


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