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If f(x )=0 has a repreated root al...

If `f(x )=0` has a repreated root ` alpha ` then another equation having ` alpha ` as root is

A

`f(2x )=0`

B

`f(3x)=0`

C

`f(x')=0`

D

`f(4x )=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-THEORY OF EQUATIONS-EXERCISE-I
  1. The repeated root of the equation 4x^3 -12x^2 -15x -4=0 is

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  2. The non - repeated root of x^3 +4x^2 +5x +2=0 is

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  3. If f(x )=0 has a repreated root alpha then another equation ...

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  4. If alpha , beta , gamma are roots of the equation x^3 + ax^2...

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  5. If alpha , beta , gamma are the roots of x^3 + px^2+qx -r=0 t...

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  6. If alpha , beta , gamma are the roots of the equation x^3 -6x^2 +...

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  7. If alpha , beta , gamma are the roots of the equation x^3 +px...

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  8. If alpha , beta , gamma are the roots of x^3 +2x^2 -3x -1=0 the...

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  9. If f(x) =x^4 + 3x ^2 - 6x -2 then the coefficient of x^3 in ...

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  10. The equation whose roots are multiplied by 3 of those of 2x^(3) - 3x^...

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

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  12. The equation whose roots are those of equation x^4 - 3x^3 +5x...

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  13. If alpha , beta , gamma are the roots of x^3 +x^2 + 2x +3=0 th...

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  14. If alpha , beta , gamma are the roots of x^3 + 3x^2 -4x +2=0 t...

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  15. to remove the 2^(nd) term of the equation x^4 -10 x^3 +35 x^2 -5...

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  16. The transformed equation of x^(4) + 8x^(3) + x - 5 = 0 by eliminating ...

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  17. Each of the roots of the equation x^(3) - 6x^(2) + 6x - 5 = 0 are incr...

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  18. If the roots of x^4 +5x^3 - 30 x^2 - 40 x+64=0 are in G.P then...

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  19. If 1, -2, 3 are the roots of ax^(3) + bx^(2) + cx + d = 0 then the roo...

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  20. IF the roots of ax^3 +bx^2 +cx +d =0 are in G.P then the roots...

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