Complex Number and Quadratic Equations
Choose the correct answer for the following question.Out of the following equations which one is not quadratic equation?x2+4x=11+x2x2=4x5x2=90+52x−x2=x2
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If the complex numbers z1,z2,z3 are such that z2−z3z1−z3=21−i3, then z1,z2,z3 form
IF z1=3+i3 and z2=3+i then the complex number z2z1 lies in the quadrant number :
Consider the following statements: S1:−8=2i×4i=(−4)×(−16)S2:(−4)×(−16)=(−4)×(−16)S3:(−4)×(−16)=6464=8Of three statements, the incorrect one is:
The multiplicative inverse of 4−5i3+4i is:
Find all complex numbers z which satisfy the following equationz=−zˉ
If complex number z(z=2) satisfies the equation z2=4z+∣z∣2+∣z∣31, then the value of ∣z∣−4 is
If (1+cosθ−isinθ)(1+cos2θ+isin2θ)=x+iy then x2+y2=