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If one of the zeros of the quadratic pol...

If one of the zeros of the quadratic polynomial `f(x) = 14x^(2) -42k^(2)x-9` is negative of the other then k = ………………

A

3

B

-1

C

0

D

none

Text Solution

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The correct Answer is:
C
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VGS PUBLICATION-BRILLIANT-POLYNOMIALS-Creative Bits for CCE Model Examination
  1. What must be subtracted or added to p(x) = 8x^(4) + 14x^(3)-2x^(2) + 8...

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  2. The quadratic polynomial whose zeroes are 4+sqrt(5) and 4-sqrt(5) is …...

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  3. If one of the zeros of the quadratic polynomial f(x) = 14x^(2) -42k^(2...

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  4. If one zero of a polynomial 3x^(2) -8x + 2k +1 = 0 is seven times the ...

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  5. If 2x + 3 is a factor of 2x^(3) - x - b + 9x^(2) then the value of b i...

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  6. Divide (x^(3)-6x^(2)+11x-12) by (x^(2)-x+2) then quotient is …………..

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  7. In the above problem remainder is …………….

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  8. If alpha and beta are the zeros of the polynomial p(x) = 2x^(2) + 5x +...

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  9. (x - sqrt(5/3))(x+sqrt(5/3)) = ……………

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  10. Product of zeros of 3x^(2) = 1 is ………..

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  11. Degree of '1' is …………

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  12. Degree of 5x^(7) - 6x^(5) + 7x + 1 is ……….

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  13. (3x-4)(x+1)= ………..

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  14. (x^(2) -3x - 28) -: (x+4) = ………..

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  15. f(x) = 4x^(2)+4x-3 then f((-3)/2) = ………..

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  16. In the above problem f(1/2) = ………….

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  17. (x+sqrt(5))(x-3sqrt(5))=……….

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  18. (-x^(3)+3x^(2)-3x+5)-:(-x^(2)+x-1) = …………..

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  19. The remainder when 3x^(3) + x^(2) + 2x + 5 is divided by x^(2) + 2x + ...

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  20. alpha = a - b, beta = a+b then the quadratic polynomial is ……………..

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