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If P,P^(') represent the complex number ...

If `P,P^(')` represent the complex number `z_(1)` and its additive inverse respectively, then the equation of the circle with `PP^(')` as a diameter is

A

`z/z_(1)=barz_(1)/z`

B

`zbarz+z_(1)barz_(1)=0`

C

`zbarz_(1)+barzz_(1)=0`

D

none of these

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a
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OBJECTIVE RD SHARMA-COMPLEX NUMBERS -Chapter Test
  1. Let lambda in R . If the origin and the non-real roots of 2z^2+2z+lam...

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  2. if the complex no z1 , z2 and z3 represents the vertices of an equ...

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  3. If P,P^(') represent the complex number z(1) and its additive inverse ...

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  4. Let A(z(1)),B(z(2)),C(z(3)) be the vertices of an equilateral triangle...

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  5. The area of the triangle (in square units) whose vertices are i, omega...

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  6. The complex number z satisfying |z+1|=|z-1| and arg (z-1)/(z+1)=pi/4, ...

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  7. If A,B,C are three points in the Argand plane representing the complex...

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  8. If z(bar(z+alpha))+barz(z+alpha)=0, where alpha is a complex constant,...

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  9. Let A,B,C be three collinear points which are such that AB.AC=1 and th...

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  10. If z1, z2, z3, z4 are the four complex numbers represented by the vert...

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  11. If z be a complex number, then |z-3-4i|^(2)+|z+4+2i|^(2)=k represent...

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  12. In Argand diagram, O, P, Q represent the origin, z and z+ iz respectiv...

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  13. If (2z(1))/(3z(2)) is purely imaginary number, then |(z(1)-z(2))/(z(1)...

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  14. If omega is a cube root of unity then find the value of sin((omega^(10...

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  15. If center of a regular hexagon is at the origin and one of the vertice...

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  16. If z^(2)+(p+iq)z+(r+is)=0, where,p,q,r,s are non-zero, has real roots...

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  17. Let z1, z2, z3 be three vertices of an equilateral triangle circumscri...

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  18. If omega is the complex cube root of unity, then the value of omega+om...

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  19. the locus of z=i+2exp(i(theta+pi/4)) is

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  20. If z lies on the circle |z-1|=1, then (z-2)/z is

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