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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If z^3+(3+2i)z+(-1+i a)=0 has one real roots, then the value of a lies...
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- Determine the value of k for which x+2 is a factor of (x+1)^7+(2x+k)^3...
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- Find the complex number z satisfying R e(z^2 =0),|z|=sqrt(3.)
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- Given that the expression 2x^3+3p x^2-4x+p hs a remainder of 5 when di...
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- z1a n dz2 are two distinct points in an Argand plane. If a|z1|=b|z2|(w...
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- Consider two complex numbers alphaa n dbeta as alpha=[(a+b i)//(a-b i...
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- In how many points the graph of f(x)=x^3+2x^2+3x+4 meets the x-axis ...
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- If x^2+x+1=0 then the value of (x+1/x)^2+(x^2+1/(x^2))^2+...+(x^27+1/(...
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- If (a" "+" "i b)" "(c" "+" "i d)" "(e" "+" "if)" "(g" "+" "i h)" "=" "...
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- Analyze the roots of the equation (x-1)^3+(x-2)^3+(x-4)^3+(x-5)^3=0 by...
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- Solve the equation |z|=z+1+2idot
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- If z=i^(i^(i)) where i=sqrt-1 then |z| is equal to
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- Find the values of a for which the roots of the equation x^2+a^2=8x+6...
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- If alpha and beta are different complex numbers with |beta|=1, then...
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- If z=i log(2-sqrt3), then cosz= a. -1 b. (-1)/2 c. 1 d. 2
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- If f(x)=x^3-x^2+a x+b is divisible by x^2-x , then find the value of...
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- If z=x+i y and w=(1-i z)//(z-i) and |w| = 1 , then show that z is pure...
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- If the equation z^4+a1z^3+a2z^2+a3z+a4=0 where a1,a2,a3,a4 are real co...
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- If f(x)=x^3-3x^2+2x+a is divisible by x-1, then find the remainder whe...
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- If z1a n dz2 are two complex numbers and c >0 , then prove that |z1+z2...
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