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The roots of 3x^(3) - 4x^(2) +x +88 = 0...

The roots of `3x^(3) - 4x^(2) +x +88 = 0,` one root being 2 + `sqrt(7) i` are

A

`-8/3, 2 + sqrt(7)i`, `2 - sqrt(7)i`

B

`2i, 2 + sqrt(7)i`, `2 - sqrt(7)i`

C

`-1, 1 + 2i`, `1 - 2i`

D

`-1, 1 + sqrt(2)i`, `1 + sqrt(2)i`,1 - 2i

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DIPTI PUBLICATION ( AP EAMET)-THEORY OF EQUATIONS-EXERCISE 1A
  1. If 2 is a root of x^(3) + 3x^(2) - 4x + k = 0 then the roots are

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  2. The roots of x^(4) + 4x^(3) + 5x^(2) + 2x - 2 = 0 one root being -1 +...

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  3. The roots of 3x^(3) - 4x^(2) +x +88 = 0, one root being 2 + sqrt(7) i...

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  4. The root of x^(3) - 6x^(2) + 7x + 2 = 0 one root being 2 + sqrt(5) ar...

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  5. If 3 - sqrt(2) is a root of x^(4) - 8x^(3) + 21x^(2) - 26x + 14 = 0 ...

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  6. If 2, 3 are the roots of the equation 2x^(3) + px^(2) - 13x + q = 0, t...

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  7. If - 1 + i is a root of x^(4) + 4x^(3) + 5x^(2) + 2x + k = 0 then k =

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  8. If two roots of x^(4) - 16x^(3) + 86x^(2) - 176x + 105 = 0 are 1, 7 t...

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  9. If one of the root x^(4) - 5x^(3) + 10x^(2) - 20x + 24 = 0 is purely ...

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  10. It two roots of 20x^(3) - 16x^(2) + x + 1 = 0 are equal then the root...

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  11. The roots of x^(3) - 3x^(2) + 4 = 0 , when there is a multiple root, ...

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  12. If x^(4) -5x^(3) + 9x^(2) - 7x + 2 = 0 has a multiple roots of order...

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  13. Find the repeated roots of x^5-3x^4-5x^3+27x^2-32x+12=0

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  14. The multiple roots of x^(4) - 2x^(3) - 11x^(2) + 12x + 36 = 0 are

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  15. If the roots of x^(4) - 6x^(3) +13x^2-12x + 4 = 0 are alpha, alpha ,...

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  16. If x^(4) + 4x^(3) - 2x^(2) - 12x + 9 = 0 has a pair of equal roots th...

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  17. The there is a multiple root of order 3 for the equation x^(4) - 2x^(3...

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  18. If one root of 24x^(3) - 14x^(2) - 63x + 45 = 0 is the double the oth...

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  19. If one root of 24x^(3) + 46x^(2) + 9x - 9 = 0 is the double the other ...

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  20. If two roots of x^(3) - 4x^(2) + x + 6 = 0 are in the ratio 2 : 3 then...

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