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If x^(2) +ax - 3x-(a+2) = 0 has real and...

If `x^(2) +ax - 3x-(a+2) = 0` has real and distinct roots, then minimum value of `(a^(2)+1)//(a^(2)+2)` is

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. For x^2-(a+3)|x|+4=0 to have real solutions, the range of a is a. (-oo...

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  2. The number of integral value of x satistying sqrt( x^2+10 x-16)ltx-2 ...

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  3. If x^(2) +ax - 3x-(a+2) = 0 has real and distinct roots, then minimum ...

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  4. Let alpha+ibeta;alpha,beta in R , be a root of the equation x^3+q x+r...

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  5. In equation x^4-2x^3+4x^2+6x-21=0 if two its roots are equal in magn...

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  6. If alpha,beta,gamma are the roots of the equation x^3+p x^2+q x+r=0, t...

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  7. Equations x^3+5x^2+p x+q=0a n dx^3+7x^2+p x+r=0 have two roots in com...

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  8. If alpha,beta,gamma are the roots of he euation x^3+4x+1=0, then find ...

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  9. If the roots of the equation x^3+P x^2+Q x-19=0 are each one more that...

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  10. If a ,b ,p ,q are non zero real numbers, then how many comman roots wo...

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  11. If x^2+p x+q=0a n dx^2+q x+p=0,(p!=q) have a common roots, show that ...

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  12. a,b,c are positive real numbers forming a G.P. ILf ax^2+2bx+c=0...

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  13. If equations x^2+a x+12=0. x^2+b x+15=0a n dx^2+(a+b)x+36=0, have a co...

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  14. If x is real and the roots of the equation a x^2+b x+c=0 are imaginary...

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  15. Solve (x^2+2)^2+8x^2=6x(x^2+2)

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  16. Find the value of 2+1/(2+1/(2+1/(2+oo)))

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  17. If both the roots of a x^2+a x+1=0 are less than 1, then find the exha...

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  18. If both the roots of x^2+a x+2=0 lies in the interval (0, 3), then fin...

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  19. Solve (x^2+3x+2)/(x^2-6x-7)=0.

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  20. Solve sqrt(x-2)+sqrt(4-x)=2.

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