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IF the roots of the quadratic equat...

IF the roots of the quadratic equation ` x^2 +px+q=0` are `tan 30 ^@` and `tan 15^@` , respectively then the value of ` 2 + q-p` is

A

0

B

1

C

2

D

3

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-QUADRATIC EXPRESSIONS-EXERCISE 1A (QUADRATIC EQUATIONS)
  1. Let alpha and beta be the roots of equation x^2-6x -2=0. If a...

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  2. IF alpha , beta are the roots of the equation ax ^2 + bx +c=0 , ...

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  3. IF the roots of the quadratic equation x^2 +px+q=0 are tan 30...

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  4. IF tan A , tan B are the roots of x ^2 -px+q=0 , the value of ...

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  5. If alpha , beta are the roots of x^2+ax -b=0 and gamma , sig...

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  6. If alpha , beta are the roots of x^2 +px -q=0 and gamma , de...

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  7. If alpha , beta are the roots of x^2 + px +1=0 and gamma , d...

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  8. If alpha , beta are the roots of ax ^2+2bx +c=0 and alpha + si...

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  9. alpha , beta are the roots of ax ^2+bx +c=0 and gamma , sigma...

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  10. The ratio of the roots of the equation ax ^2 + bx +c=0 is same ...

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  11. alpha , beta are the roots of ax ^2+bx +c=0 and gamma , sigma...

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  12. Let p and q be the roots of x^2 - 2x + A =0 and let r and s b...

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  13. Let x1 , x2 , be the roots of the equation x^2 - 3x +p=0 an...

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  14. Let alpha , beta be the roots of x^2 - x +p=0 and gamma , ...

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  15. x1 and x3 are the roots of the equation Ax ^2 - 4x +1=0 and x2...

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  16. The coefficient of x in a quadratic equation x^2 + px +q=0 was ...

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  17. The students while solving a quadratic equation in x, one copi...

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  18. If 8 and 2 are the roots of x^2 + ax + beta = 0 and 3,3 are...

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  19. IF x1 and x2 are the real roots of the equation x^2 - kx +c=...

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  20. If one root of the equation I x ^2 - 2(1+i) x+ (2-i) =0 is 2- I ...

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