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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- Column I, Column II y=(x^2-2x+4)/(x^2+2x+4),x in R ,t h e ny c a n...
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- If sqrt(x+i y)=+-(a+i b), then findsqrt( x-i ydot)
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- Match the following for the equation x^2+a|x1=0,w h e r ea is a parame...
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- Find the ordered pair (x ,y) for which x^2-y^2-i(2x+y)=2idot
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- If a ,b ,c are non zero complex numbers of equal modlus and satisfy a ...
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- Column I, Column II If a ,b ,c ,a n dd are four zero real number...
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- Let z be not a real number such that (1+z+z^2)//(1-z+z^2) in R , then...
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- Let a is a real number satisfying a^3+1/(a^3)=18 . Then the value of a...
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- Find non zero integral solutions of |1-i|^x=2^xdot
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- If (1+i)(1+2i)(1+3i)......(1+n i)=(x+i y) , show that 2. 5. 10...... (...
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- If a x^2+b x+c=0,a ,b ,c in R has no real zeros, and if c<0 , then wh...
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- If omega is a cube root of unity, then find the value of the following...
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- If f(x)=sqrt(x^2+a x+4) is defined for all x , then find the values of...
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- If omega is a cube root of unity, then find the value of the following...
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- Find the domain and range of f(x)=sqrt(x^2-4x+6)
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- Prove that |z1+z2|^2=|z1|^2+|z2|^2, ifz1//z2 is purely imaginary.
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- Find the range of the function f(x)=6^x+3^x+6^(-x)+3^(-x)+2.
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- If omega is a cube root of unity, then find the value of the following...
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- If alpha ,beta are the roots of the equation 2x^2+2(a+b)x+a^2+b^2=0 th...
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- Let z1,z2, z3, zn be the complex numbers such that |z1|=|z2|=|zn|=1. I...
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