Q. 1 F5.0( 5 Votes )

# Attempt any four

Given: quadratic equation 3x2 + 2x-1 = 0

Compare it with ax2 + bx + c = 0.

a = 3, b = 2 and c = -1.

Discriminant = D = b2 - 4ac

= (2)2 – 4(3)(-1)

= 4 + 12

= 16

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