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The complex number z satisfying the ques...

The complex number z satisfying the question `|(i -z)/(i+z)|=1` lies on-

A

a circle with the centre `(0,0)` and radius 1

B

the x-axis

C

the y-axis

D

the line `y=x+1`

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 7
  1. If z and w are two non-zero complex numbers such that |zw| =1 and argw...

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  2. The modulus and the amplitude of (1+isqrt3)^(2) are respectively-

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  3. The complex number z satisfying the question |(i -z)/(i+z)|=1 lies on-

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  4. If the mth and nth terms of a H.P. are n and m respectively, then its ...

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  5. Solution of the inequations -11 le 4x -3 lt 13 is-

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  6. Two roots of the quadratic equation ix^(2) -10x -21i=0 is-

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  7. In three dimension space, (7,6,3) and (4,10, 1),(-2, 6, 2) and (1,2,4)...

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  8. If theta is a variable paramete, then the equations x= 1/4(3- cosec ^(...

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  9. In three dimensional space, if a pints lies on the octant OXY'Z, then ...

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  10. If the axes are transferred to parallel axes through the point (alpha ...

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  11. If the ara of the triangle formed by joining the points (2,7) ,(5,1) a...

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  12. If A(3,5) , B(-5, -4) , C(7,10) are the vertices of a parallelogram t...

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  13. The circe x ^(2) +y^(2) +8y-4 =0 cuts the real circel x ^(2) +y^(2) +g...

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  14. Distance between the parallel lines y=2x+7 and y=2x+5 is-

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  15. For what value of c does the straight line y= 2x+c intersect the circe...

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  16. Orthocentre of the triangle formed by the lines x+y=1, x=0 and y=0 is-

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  17. If the circel x ^(2) + y^(2) -(3p +4) x - (p -2)y + 10p=0 passes throu...

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  18. The intercept on the line y=x by the circel x ^(2) + y^(2) -2x =0 is ...

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  19. A variable circle passes through the fixed point A(p,q) and touches t...

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  20. Let A (2,3) and B(-2, 1) be vertices of a triangle ABC. If the centroi...

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