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Find out minimum non-negative real value...

Find out minimum non-negative real values of `a, b and c` given that the equation `x^4 + ax^3 + bx^2 + cx + 1 = 0` has real roots.

A

`-6,-4`

B

`-6,5`

C

`-6,4`

D

`6,-4`

Text Solution

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The correct Answer is:
D
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