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If alpha and beta are the roots of the q...

If `alpha and beta` are the roots of the quadratic equation `2x^2+6x-5=0`, then find `(alpha+beta)` and `alpha xx beta`.

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The correct Answer is:
`-3, (-5)/(2)`
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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -UNIQUE PRACTICE SESSION
  1. Determine nature of roots of the quadratic equation 2x^2-5x+7 =0

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  2. Determine the nature of roots of the following quadratic equations. ...

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  3. If alpha and beta are the roots of the quadratic equation 2x^2+6x-5=0,...

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  4. Solve the following quadratic equations by formula method, x^2 - 4x +1...

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  5. If alpha + beta =6 " and " alpha^2 + beta^2 =72, find a quadratic equa...

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  6. If root of one quadratic equation are (4sqrt(2) + 3) " and " (4sqrt(2)...

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  7. If alpha = 5+2 sqrt2 " and " beta = 5 -2 sqrt(2) are the roots of the ...

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  8. Solve the quadratic equation by formula method x^2 + 2 sqrt(3)x + 3 =0

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  9. Solve the quadratic equation by factorisation method 4z+6/z=11

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  10. The product of shabnam's age 5 years ago with her age 9 years later is...

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  11. The sum of two numbers is 15 and sum of their reciprocals is 5/18 , fi...

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  12. A natural number is a greater than three times its squares root by 4. ...

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  13. Solve the following quadratic equation by factorisation method: (xvi...

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  14. Solve the following quadratic equations equation by using formula. (...

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  15. Solve the following quadratic equations equation by using formula. (...

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  16. Solve the following quadratic equations equation by using formula. (...

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  17. Solve the following quadratic equations equation by using formula. (...

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  18. Solve the following quadratic equations equation by using formula. (...

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  19. The difference between the roots of the equation x^2-13x+k=0 is 7, fin...

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  20. If alpha " and " beta are roots of x^2+5x-1=0 , " then find " (i) alp...

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