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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- Find the domain and the range of f(x)=sqrt(x^2-3x.)
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- Show that the equation Z^4+2Z^3+3Z^2+4Z+5=0 has no root which is eithe...
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- Find the domain and range of f(x)=sqrt(3-2x-x^2)
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- If x in (0,pi//2)a n dcosx=1//3 , then prove that sum(n=0)^oo(cosn x)/...
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- Prove that if the equation x^2+9y^2-4x+3=0 is satisfied for real value...
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- Let Zp=rp(costhetap+isinthetap),p=1,2,3a n d1/(Z1)+1/(Z2)+1/(Z3)=0. Co...
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- Find the least value of ((6x^2-22 x+21))/((5x^2-18x+17)) for real xdot
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- Let a ,b and c be any three nonzero complex number. If |z|=1 and' z ' ...
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- Find the range of the function f(x)=x^2-2x-4.
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- if x=9^(1/3)9^(1/9)9^(1/27)…..infty,y=4^(1/3)4^(1/9)4^(1/27)…..infty a...
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- Find the linear factors of 2x^2-y^2-x+x y+2y-1.
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- If a<0,b>0, then sqrt(a)sqrt(b) is equal to (a)-sqrt(|a|b) (b...
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- The value(s) of m for which the expression 2x^2+mxy+3y^2-5y-2 can be ...
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- Find the number of solutions of z^2+overlinez = 0
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- If a1x^3 + b1x² + c1x + d1 = 0 and a2x^3 + b2x^2+ c2x + d2 = 0 have a ...
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- Consider the equation 10 z^2-3i z-k=0,w h e r ez is a following comple...
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- If x-c is a factor of order m of the polynomial f(x) of degree n (1 < ...
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- If z1a n dz2 are two complex numbers such that |z1|=|z2|a n d arg(z1)+...
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- Solve the equation x^3-13 x^2+15 x+189=0 if one root exceeds the other...
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- If tantheta and sectheta are the roots of a x^2+b x+c=0, then prove th...
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