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If the zeroes of the polynomial x^(2)- 2...

If the zeroes of the polynomial `x^(2)- 2kx +2` are equal in magnitude but opposite in sign, then the vaue of k is

A

0

B

1

C

2

D

3

Text Solution

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Knowledge Check

  • Assertion (A): Both zeroes of the quadratic polynomial x^(2)-2kx+2 are equal in magnitude but opposite in sign then value of k is 1/2 . Reason(R):Sum of zeroes of a quadratic polynomial ax^(2)+bx+c is (-b)/a

    A
    Both A and R are true and R is the correct explanation for a
    B
    Both A and R are true and R is not correct explanation for A.
    C
    A is true but R is false.
    D
    A is false but R is true

  • If the roots of the equation a/(x+a+k)+b/(x+b+k)=1 are equal in magnitude but opposite in sign then the value of k is

    A
    0
    B
    1
    C
    2
    D
    none of these

  • If the roots of the equation (a)/(x+a+k)+(b)/(x+b+k)=2 are equal in magnitude but opposite in sign, then the value of k is

    A
    `-(a+b)/(4)`
    B
    `(a+b)/(4)`
    C
    `(a+b)/(2)`
    D
    0