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Let X(n)={z=x+iy:|z|^(2) le (1)/(n)} for...

Let `X_(n)={z=x+iy:|z|^(2) le (1)/(n)}` for all integers `n ge 1`. Then `cap_(n=1)^(oo)X_(n)` is

A

a singleton set

B

not a finite set

C

an empty set

D

a finite set with more than one elements

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2014-MULTIPLE CHOICE QUESTIONS
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  2. Let f(x) = max {x+|x|, x-[x]}, where [x] denotes the greatest integer ...

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  3. Let X(n)={z=x+iy:|z|^(2) le (1)/(n)} for all integers n ge 1. Then cap...

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  20. For two events A and B, let P(A) = 0.7 and P(B) = 0.6. The necessarily...

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