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The centre of a square ABCD is at z0dot ...

The centre of a square ABCD is at `z_0dot` If `A` is `z_1` , then the centroid of the ABC is `2z_0-(z_1-z_0)` (b) `(z_0+i((z_1-z_0)/3)` `(z_0+i z_1)/3` (d) `2/3(z_1-z_0)`

A

`z_(1)(cospi+-isinpi)`

B

`z_(1)/3(cospi+-isinpi)`

C

`z_(1)(cosalpha+-isinpi/2)`

D

`z_(1)/3(cospi/2+-isinpi/2)`

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The correct Answer is:
d
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  10. The vertices of a square are z1,z2,z3 and z4 taken in the anticlockwis...

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  11. Let lambda in R . If the origin and the non-real roots of 2z^2+2z+lam...

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

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

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

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

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

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