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if the equation x^(4)-4x^(3)+ax^(2)+bx+1...

if the equation `x^(4)-4x^(3)+ax^(2)+bx+1=0` has four positive roots, then find a.

A

`agtb`

B

`agt0`

C

`alt0`

D

`a-vgt0`

Text Solution

Verified by Experts

The correct Answer is:
C
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