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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If p ,q in {1,2,3,4,5} , then find the number of equations of form p^2...
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- If a^2+b^2=1 t h e n (1+b+i a)/(1+b-i a)= 1 b. 2 c. b+i a d. a+...
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- 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) ...->∞ , y= 4^(1/3) 4^(-1/9) 4^(1/27) ....
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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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- The number of solutions of z^2+overlinez = 0 is
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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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