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Product of the roots of x^(2) + 7x = 0 i...

Product of the roots of `x^(2) + 7x = 0 `is…

A

1

B

`-7`

C

`-3`

D

0

Text Solution

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The correct Answer is:
D
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A: the quadratic equation whose roots are the reciprocals of the roots of 3x^2 - 7x +2=0 is 3x^2 +7x +2=0 R : the quadratic equation whose roots are the reciprocals of the roots of the quadratic equation f(x) is f(1/x)=0

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A: The equation whose roots are the reciprocals of the roots of 2x^(3) + 7x^(2) - 6x + 1 = 0 is x^(3) - 6x^(2) + 7x + 2 =0 . R: the equation whose roots are the reciprocals of those of f(x) = 0 is f(1/x) = 0.

If alpha, beta are the roots of x^(2) + 7x + 3 = 0 then (alpha – 1)^(2) + (beta – 1)^(2) =

VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-CREATIVE BITS FOR CCE MODEL EXAMINATION
  1. "If" (2x - 1)(2x + 3) = 0 "then" x..

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  2. The roots of (x - a) (x - b) = b^(2) are…

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  3. Product of the roots of x^(2) + 7x = 0 is…

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  4. For what values of m are the roots of the equation mx^(2) + (m + 3) x ...

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  5. "If" alpha and beta are the roots of the quadratic equation 2x^(2) + 3...

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

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  7. In the above problem, alpha^(2) beta + beta^(2) alpha =

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  8. In Q.No. 73, the value of alpha^(3) + beta^(3) =

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  9. "If" alpha and beta "are the roots of" x^(2) + x + 1 = 0 "then" alpha^...

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  10. "If" alpha and beta "are the roots of" x^(2) - 5x + 6 = 0 "then the va...

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  11. In the quadratic equation x^(2) + x - 2 = 0, a + b + c =

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  12. The degreee of any quadratic equation is..

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  13. Check whether the following are quadratic equations: x(2x + 3) = x^(...

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  14. Form a quadratic equation from x^(3) - 4x^(2) - x + 1 = (x - 2)^(3) =

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  15. "If " x + 1/x = 2 " then " x^(2) + 1/x^(2) = ..

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  16. The product of two consecutive positive integers is 306. We need to fi...

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  17. In the above problem, smallest number is…

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  18. 1 and 3/2 are the roots of…

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  19. Find the roots of the following quadratic equations by factorisation ...

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  20. The roots of 2x^(2) - x + 1/8 = 0 are…

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