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If 3 is a root of x^(2)+kx-24=0 it is al...

If 3 is a root of `x^(2)+kx-24=0` it is also a root of

A

`x^(2)+5x+k=0`

B

`x^(2)+kx+24=0`

C

`x^(2)-kx+6=0`

D

`x^(2)-5x+k=0`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-QUADRATIC EQUATIONS & EXPRESSIONS-EXERCISE-I
  1. IF m,n,K are rational and m=k +(n)/(k) then the roots of x^2 ...

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  2. If 3 is a root of x^(2)+kx-24=0 it is also a root of

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  3. Assertion (A): The roots of the equation a(b-c)x^(2)+b(c-a)x+c(a-b)=0 ...

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  4. If alpha , beta are the roots of x^2-p(x+1)+c=0 then (1+alpha )( ...

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  5. If alpha , beta are the roots of x^2 +x+1=0 then alpha // beta...

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  6. If alpha, beta are the roots of x^(2) - x + 3 = 0, then alpha^(4) +bet...

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  7. The values of p for which the difference between the roots of the equa...

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

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  9. If the roots of x^(2)-bx+c=0 are two consecutive integers, then b^(2) ...

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  10. If p != 0, q != 0 and the roots of x^(2) + px +q = 0 are p and q, then...

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  11. IF the sum of the square of the roots of x ^2+px -3=0 is 10 t...

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

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

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

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

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

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

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

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

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