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Find the number of redered pairs (x,y) s...

Find the number of redered pairs (x,y) satisfying `x^2+1=y` and `y^2+1=x`

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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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  8. If x is real number, then the minimum value of x^2+x+1 is

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  9. If alpha and beta are the roots of ax^2+bx+c=0, then the equation ax^2...

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  14. If one root of the equation x^2+px+12=0 is 4, while the equation x^2+p...

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  15. Ifalpha,beta be the roots of x^2-a(x-1)+b=0,then the value of 1/(alpha...

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  16. If one root of the equation x^2+(1-3i)x-2(1+i)=0is -1+i, then the oth...

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  17. If alpha,beta roots of ax^2+bx+c=0. Find the quadratic equation whose ...

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  18. If alpha,beta be the two roots of the equation x^2+x+1=0, then the equ...

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  19. The harmonic mean of the roots of the equation (5+sqrt)x^2-(4+sqrt5)x+...

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  20. The equation x^3+5x^2+px+q=0 and x^3+7x^2+px+r=0 have two roots in com...

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