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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- Given that x, y in R. Solve: x/(1+2i)+y/(3+2i)=(5+6i)/(8i-1)
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- If the equation |x^2+b x+c|=k has four real roots, then A. b^2-4cgt...
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- If P(x) is a polynomial with integer coefficients such that for 4 dist...
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- 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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- If a ,b ,c are distinct positive numbers, then the nature of roots of...
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- If (b^2-4a c)^2(1+4a^2)<64 a^2, a<0 , then maximum value of quadratic ...
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- For x^2-(a+3)|x|+4=0 to have real solutions, the range of a is a. (-oo...
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- The number of integral value of x satistying sqrt( x^2+10 x-16)ltx-2 ...
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- If x^(2) +ax - 3x-(a+2) = 0 has real and distinct roots, then minimum ...
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- Let alpha+ibeta;alpha,beta in R , be a root of the equation x^3+q x+r...
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- In equation x^4-2x^3+4x^2+6x-21=0 if two its roots are equal in magn...
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- If alpha,beta,gamma are the roots of the equation x^3+p x^2+q x+r=0, t...
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- 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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- If alpha,beta,gamma are the roots of he euation x^3+4x+1=0, then find ...
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- If the roots of the equation x^3+P x^2+Q x-19=0 are each one more that...
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- If a ,b ,p ,q are non zero real numbers, then how many comman roots wo...
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- 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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- a,b,c are positive real numbers forming a G.P. ILf ax^2+2bx+c=0...
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- 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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- If x is real and the roots of the equation a x^2+b x+c=0 are imaginary...
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