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For any complex number z, the minimum va...

For any complex number z, the minimum value of `|z|+|z-1|` is

A

0

B

1

C

2

D

`-1`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2009-MULTIPLE CHOICE QUESTIONS
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  3. For any complex number z, the minimum value of |z|+|z-1| is

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  7. Find the sum of the following geometric series : 1+(1)/(4)+(1)/(16)+...

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  10. The value of ["tan"^(-1)(m)/(n)-tan^(-1)((m-n)/(m+n))] is -

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  11. lim(xto2)(sin(e^(x-2)-1))/(log(x-1))

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  12. Let f(x)=(sqrt(x+3))/(x+1) then the value of Lt(xto-3-0)f(x) is

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  13. f(x)=x+|x| is continuous for

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  14. prove that tan((pi)/(4)+(1)/(2) cos ^(-1)""(a) /(b) )+tan ((pi)/(4) ...

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  15. If i=sqrt-1 and n is a positive integer, then i^(n)+i^(n+1)+i^(n+3 is ...

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  17. If x is a positive real number different from 1 such that log(a)^(x),l...

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  18. A line through the point A (2,0) which makes an angle of 30^(@) with t...

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  19. The equation sqrt3sinx+cosx=4 has

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  20. The slope at any point of a curve y=f(x) is given by (dy)/(dx)=3x^(2) ...

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