please answer

Asked by avi123 | 20th May, 2010, 05:39: PM

Expert Answer:

The  symbol   is used for any subset, while   for a proper subset.

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Team,

ToppperLearning.

Answered by  | 22nd May, 2010, 06:32: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.