Question

Find the discriminant of x2-4x+1=0​

Answer 1

D^2=b^2-2ac

= (-4)^4-4×1×1

=16-4

= 12

=√12

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Answer 2

Answer:

In the equation

x2+4x−1=0

a = 1, b = 4, c = -1

Discriminant =

b2−4ac

=> 4²−4×1×(−1)

=> 16−4

=> 12