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IF k gt 0 and the product of the roo...

IF `k gt 0` and the product of the roots of the equation `x^2 - 3kx+ 2 e^2log k`-1=0 is 7 then the sum of the roots is

A

12

B

4

C

3

D

-12

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A
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AAKASH SERIES-QUADRATIC EQUATIONS & EXPRESSIONS-EXERCISE-I
  1. IF the sum of the square of the roots of x ^2+px -3=0 is 10 t...

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

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  3. IF k gt 0 and the product of the roots of the equation x^2 - 3kx...

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  4. If x+1 is a factor of x^(4) +(p - 3)x^(3) - (3p-5)x^(2) + (2p-9)x +6, ...

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  5. If sin theta, cos theta are the roots of 6x^(2)-px+1=0, then p^(2) =

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  6. Which of the following statements are correct E(1)) If a + b + c = 0...

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

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  8. If alpha, beta are the roots of x^(2) - x + 1 = 0 then the quadratic e...

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  9. the equation formed by decreasing each root of ax ^2 +bx+C=0 by...

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  10. If alpha, beta are the roots of x^(2)+2x-1=0, then the equation whose ...

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  11. If alpha, beta are the roots of x^(2)+6x+9=0, then the equation whose ...

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  12. The equation whose roots are 'K' times the roots of the equation ax^(2...

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  13. If alpha, beta be the roots of the equation ax^(2)+bx+c=0, then the ro...

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  14. If alpha, beta are the roots of x^(2)+2x+5=0, then the equation whose ...

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  15. If r is the ratio of the roots of ax ^2 + bx +C=0 then ((r +1)^2)...

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  16. If one root of x^(2)+kx+27=0 may be triple the other, then k=

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  17. If one root of x^2+px+1=0 is square that of the other thenp=

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  18. If one root of x^(2)+px+q=0 may be the square pf the other, then p^(3)...

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  19. The quadratic equation with rational coefficients whose one root is 3+...

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  20. If 3+4i is a root of equation x^(2)+px+q=0 where p, q in R then

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