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Find alpha + beta " and " alpha beta va...

Find `alpha + beta " and " alpha beta ` value for the quadratic equation has `a=2, b=-4 " and " c=-2`

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The correct Answer is:
2, -1
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UNIQUE PUBLICATION-QUADRATIC EQUATIONS -UNIQUE PRACTICE SESSION
  1. For one quadratic equation Delta = -12 then state nature of roots for ...

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  2. For one quadratic value of discriminant is 0, then state nature of roo...

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  3. Find alpha + beta " and " alpha beta value for the quadratic equation...

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  4. Find the value of alpha + beta for the equation x^2 + 8x+12 =0

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  5. Find the value of alpha beta for the quadratic equation 2y^2-7y+2=0

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  6. If alpha + beta =3 " and " alpha beta = -4 for one quadratic equatiojn...

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  7. If for one quadratic equation alpha + beta =5 " and " alpha beta =6 , ...

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  8. For one quadratic equation alpha^2 + beta^2 =13 " and " alpha beta =6,...

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  9. Solve by factorisation . 2x^2+9x+9=0

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  10. Solve by factorisation . 9x^2-144/25 =0

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  11. Find the value of discriminant of sqrt(3)x^2 + 2sqrt(2)x - 2 sqrt3

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  12. If root of a quadratic equation are (3-sqrt7),(3+sqrt7) and then find ...

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  13. Solve the following problems : The product of two consecutive even ...

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  14. Write the value of a, b, c for quadratic equation 2z-5/z = z-6

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  15. Find the value of C, if the equation x^2 - 2 (C+1) x+C^2 =0 has real a...

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  16. 2x^2-7x +6=0 check whether (i) x=-2 are solution of the equation

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  17. Solve the following quadratic equation by factorisation method: (iv)...

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  18. Solve the following quadratic equation by factorisation method: (xv)...

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  19. Solve the following quadratic equation by factorisation method: (vii...

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  20. Solve the following quadratic equation by factorisation method: (ix)...

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