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If alpha and beta are the roots of eq...

If ` alpha and beta ` are the roots of equation ` x^(2) - x + 1 = 0` , then which equation will have roots ` alpha^(3) and beta^(3)` ?

A

`x^2+2x+1=0`

B

`x^2-2x-1=0`

C

`x^2+3x-1=0`

D

`x^2-3x+1=0`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(7)-EXERCISE
  1. If x^(3) + y^(3) + z^(3) = 3 ( 1 + xyz) , P =- y + z - x , Q = z + x...

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  2. If x1 x2 x3=4(4+x1+x2+x3), then what is the value of [1//(2+x1)]+[1//(...

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  3. If alpha and beta are the roots of equation x^(2) - x + 1 = 0 , th...

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  4. If 3 x + 5y + 7 z = 49 and 9 x + 8y + 21 z = 126 , then what is th...

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  5. Cost of 4 pen, 6 note books and 9 files is Rs. 305. Cost of 3 pens,4 n...

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  6. ABC is rt angled triangle angleBAC=90^(@) and angleACB=60^(@). What i...

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  7. In the given figure, ABCD is a square whose side is 4 cm. P is a point...

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  8. triangle ABC is similar to triangle PQR and AB: PQ = 2: 3. AD is the m...

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  9. In the given figure, B and C are the centres of the two circles. ADE i...

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  10. In the given figure, AB = 30 cm and CD = 24 cm. What is the value (in ...

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  11. AB and AC are the two tangets to a circle whose radius is 6cm. If angl...

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  12. In the given figure, ABC is a right angled triangle. angleABC=90^(@) a...

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  13. In the given figure. 0 is centre of the circle. Circle has 3 tangents....

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  14. In the given figure. Two identical circles of radius 4 cm touch each o...

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  15. The radius of two circles s 3 cm and 4 cm. The distance between the ci...

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  16. ABC is a triangle. AB = 5cm, AC =sqrt41cm and BC = 8cm. AD is perpendi...

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  17. In the given, figure, PQR is a triangle and quadrilateral ABCD is insc...

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  18. In the given figure, ABCD is a square of side 14cm. E and F are mid po...

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  19. In the given figure, ABCDEF is a regular hexagon whose side is 6cm. AP...

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  20. Length and breadth of a rectangle are 8 cm and 6 cm respectively. The ...

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