Question

The discriminant of
4x2-x-1=0

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given,4x²-x-1=0

Now comparing the above Equation with ax²+bx+c=0.

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

Therefore, D(discriminant)=√b²-4ac

=√(-1)²-4(4)(-1)

=√1+16

=√17

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