1.

Find the nature of roots of the quadratic equation 4x2 – x + 1 = 0.

Answer»

Given equation 4x2 – x + 1 = 0

for given equation D = b2 – 4ac

D = (– 1)2 – 4(4) (1)

= 1 – 16 = – 15

∵ D < 0

∴ roots are imaginary.



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