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Sum of real roots of the euation |{:(1,4...

Sum of real roots of the euation `|{:(1,4,20),(1,-2,5),(1,2x,5x^(2)):}|=0` is

A

-2

B

-1

C

0

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The roots of the equation |(1,4,20),(1,-2,5),(1,2x,5x^(2))| = 0 are

    A
    `-1,-2`
    B
    `-1,2`
    C
    `1,-2`
    D
    `1,2`

  • The roots of the equation |(1,4,20),(1,-2,5),(1,2x,5x^2)| =0 are

    A
    `-1,-2`
    B
    `-1,2`
    C
    `1,-2`
    D
    `1,2`

  • The roots of the equation |(1,4,20),(1,-2,5),(1,2x,5x^(2))| = 0 are

    A
    `-1, -2`
    B
    `-1, 2`
    C
    `1, -2`
    D
    `1, 2`

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