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Recent questions tagged operations
Questions
The identity element of the binary operation $\large *$ defined on $Q-\{0\}$ as $a\large *$ $b=\large\frac{ab}{2},$ $ \forall \:a,b\:\in\:Q-\{0\}$
jeemain
math
class12
ch1
relations-and-functions
binary
operations
easy
asked
May 31, 2013
by
rvidyagovindarajan_1
1
answer
If $P=\{x:sinx-cosx=\sqrt2 cosx\}$ and $Q=\{x:sinx+cosx=\sqrt 2 sinx\}$ then which of the following is true ?
jeemain
math
class11
ch1
set
venn
diagrams
and
operations
on
sets
easy
asked
May 30, 2013
by
rvidyagovindarajan_1
1
answer
If $A\:and\:B$ are two sets such that $(A-B)\cup B=A$, then what can you say about $A\:and\:B$?
jeemain
math
class11
ch1
sets
venn
diagram
and
operations
on
easy
asked
May 4, 2013
by
rvidyagovindarajan_1
1
answer
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