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Express each one of the following in the...

Express each one of the following in the standard form `a+i bdot` `(5+4i)/(4+5i)`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. Solve: i x^2-3x-2i=0,

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  2. Let a ,b ,a n dc be distinct nonzero real numbers such that (1-a^3)/a...

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  3. Express each one of the following in the standard form a+i bdot (5+...

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  4. If the cubic 2x^3-9x^2+12 x+k=0 has two equal roots then minimum valu...

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  5. If z=4+isqrt(7) , then find the value of z^2-4z^2-9z+91.

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  6. If the quadratic equation4x^2-2(a+c-1)x+a c-b=0(a > b > c) (a...

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  7. If (a+b)-i(3a+2b)=5+2i , then find aa n dbdot

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  8. If the equation x^2=a x+b=0 has distinct real roots and x^2+a|x|+b=0 h...

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  9. Given that x, y in R. Solve: x/(1+2i)+y/(3+2i)=(5+6i)/(8i-1)

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  10. If the equation |x^2+b x+c|=k has four real roots, then A. b^2-4cgt...

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  11. If P(x) is a polynomial with integer coefficients such that for 4 dist...

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  12. Let x ,y ,z ,t be real numbers x^2+y^2=9, z^2+t^2=4, and xt-y z=6 Th...

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  13. If a ,b ,c are distinct positive numbers, then the nature of roots of...

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  14. If (b^2-4a c)^2(1+4a^2)<64 a^2, a<0 , then maximum value of quadratic ...

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  15. For x^2-(a+3)|x|+4=0 to have real solutions, the range of a is a. (-oo...

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

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

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

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

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

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