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If sqrt(5) and -sqrt(5) are two zeros of...

If `sqrt(5)` and `-sqrt(5)` are two zeros of the polynomial `x^(3) + 3x^(2) - 5x -15` then its third zero is …………..

A

7

B

3

C

-3

D

None

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VGS PUBLICATION-BRILLIANT-POLYNOMIALS-EXERCISE
  1. The product of the zeros of x^(3) + 4x^(2) + x - 6 is ………….

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  2. A quadratic polynomial , the sum of whose zeroes of 0 and one zero is ...

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  3. If sqrt(5) and -sqrt(5) are two zeros of the polynomial x^(3) + 3x^(2)...

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  4. If alpha, beta , gamma are the zeros of the polynomial x^(3) - px^(2) ...

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  5. If x+ 2 is a factor of x^(2) + ax + 2b and a+b = 4 then a = …………..

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  6. In the above problem y = ......

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  7. If one zero of the polynomial f(x) = (k^(2)+4)x^(2) + 13 x + 4k is rec...

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  8. If two zeros of x^(3) + x^(2) - 5x -5 are sqrt(5) and -sqrt(5) then it...

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  9. If zeros of polynomial f(x0 = x^(3) - 3px^(2)+qx-r are in AP then 2p^(...

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  10. If alpha, beta are the zeros of the polynomial f(x) = ax^(2) + bx + c ...

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  11. What should be subtracted from the polynomial x^(2) - 16x + 30 so that...

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  12. ax + b represents ………… polynomial.

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  13. ax^(2) + bx + c is a …………… polynomial.

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  14. Which of the following is a cubic polynomial in general form?

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  15. The degree of the polynomial ax^(4) + bx^(3) + cx^(2) + dx + e is ………....

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  16. a(0)x^(n) + a(1)x^(n-1) + a(2)x^(n-2) + ……..a(n)x^(n) is polynomial of...

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  17. If alpha , beta , gamma are roots of a cubic polynomial alpha + beta +...

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  18. If alpha, beta, gamma are roots of a cubic polynomial then alpha beta ...

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  19. If alpha, beta, gamma are roots of a cubic polynomial then alpha beta ...

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  20. f(x) = 3x - 2 then zero of f(x) is …………

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