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Form a quadratic equation with rational ...

Form a quadratic equation with rational coefficients whose one root is `4+sqrt7`.

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The correct Answer is:
`x^2-8x+9=0`
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CHHAYA PUBLICATION-QUADRATIC EQUATIONS-EXERCISE 5A(Very Short Answer type Question)
  1. IF alpha be a root of the equation ax^2+bx+c=0, show that kalpha (kne0...

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  2. Find the quadratic equation with real coefficients which has 2±3i as a...

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  3. Form a quadratic equation with rational coefficients whose one root is...

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  4. IF alpha and beta are the roots of the equation x(x-3)=4, find the val...

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  5. IF a,b,c are in G.P prove that the roots of the equation ax^2+2bx+c=0 ...

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  6. Find m, given that the difference of the roots of the equation 2x^2-12...

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  7. If alpha and beta be the roots of the equation (x-a)(x-b)=c (cne0),pro...

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  8. IF 2+sqrt3i is a root of the equation x^2+px+q=0 where p and q are rea...

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  9. Find the value of p so that the roots of the equation 3x^2-2(7+9p)x+(8...

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  10. IF x is real , find the signs of the each of the following expressions...

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  11. IF x is real , find the signs of the each of the following expressions...

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  12. IF x is real , find the signs of the each of the following expressions...

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  13. IF x is real , find the signs of the each of the following expressions...

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  14. If x be real , find the maximum value of each of the following express...

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  15. If x be real , find the maximum value of each of the following express...

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  16. If x be real , find the maximum value of each of the following express...

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  17. If x be real , find the least values of each of the following expressi...

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  18. If x be real , find the least values of each of the following expressi...

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  19. If x be real , find the least values of each of the following expressi...

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  20. For what real values of x the expressions x^2-2x+3 is negative?

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