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In the given figure graph of y=p(x)=x^(4...

In the given figure graph of `y=p(x)=x^(4)+ax^(3)+bx^(2)+cx+d` is given

The product of all imaginary roots of `p(x)=0` is (a) 1 (b) 2 (c) `1/3` (d) `1/4`

A

`1`

B

`2`

C

`1//3`

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
A
`(a)` `1.2(alpha+ibeta)(alpha-ibeta)=p(0)=2implies(alpha+ibeta)(alpha-ibeta)=1`
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