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x^(4)-8x^(2)+k is a perfect square then ...

`x^(4)-8x^(2)+k` is a perfect square then k is

A

`-1`

B

12

C

190

D

16

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The values of a and b if 4x^(4)-24x^(3)+76x^(2)+ax+b is a perfect square are

    A
    `100,120`
    B
    10,12
    C
    `-120, 100`
    D
    `12 , 10`

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