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Recent questions tagged binary operations
+2
votes
1
answer
Let * be a binary operation on Q defined by a*b=3ab/5
asked
Apr 4, 2019
in
Class 12
by
kratos
class-12
relations and functions
binary operations
cbse
+2
votes
1
answer
Is 0.3 the multiplication inverse of 3 1/3 ? why or why not ?
asked
Mar 30, 2019
in
Class 12
by
kratos
class-8
class-9
real numbers
binary operations
class-12
+2
votes
1
answer
Let f(x) : D → R be defined as f(x) = x^2 +2x+ a / x^2 +4x+ 3a ,
asked
Mar 30, 2019
in
Class 12
by
kratos
relations and functions
class-12
binary operations
cbse
+1
vote
1
answer
In the set Q of all rational numbers, a binary operation o : Q x Q → Q, is defined by o(x, y) = x o y = x + y - xy,
asked
Mar 24, 2019
in
Class 12
by
kratos
relation
relations and functions
binary operations
binomial theorem
class-12
+2
votes
1
answer
Let Z denotes the set of all integers and A = {(a, b): a^2 + 3b^2 = 28. a,b ∈ Z} and B ={(a, b):a < b,a,b ∈ Z}.
asked
Mar 14, 2019
in
Class 12
by
kratos
class-12
upsee
binary operations
+2
votes
1
answer
The binary operation * is defined on the set of integers as a * b = a + b + 1 ∀ a,b ∈ Z. Then identify elements is
asked
Mar 12, 2019
in
Class 12
by
kratos
class-12
relations and functions
binomial theorem
binary operations
+1
vote
1
answer
Let * be a binary operation on Z .If a * b = 2ab where a, b ∈ Z then the value of 19 * 16 is
asked
Mar 12, 2019
in
Mathematics
by
kratos
jee
discrete mathematics
relations and functions
jee mains
binary operations
binomial theorem
class-12
+3
votes
1
answer
Let * be a ‘binary’ operation on N given by a*b = LCM (a, b) for all a, b∈N. Find 5 * 7.
asked
Mar 4, 2019
in
Class 12
by
kratos
relations and functions
class-12
binary operations
+2
votes
1
answer
Let * be a binary operation on the set Q of rational numbers as follows:
asked
Feb 26, 2019
in
Class 12
by
kratos
class-12
relations and functions
relation
binary operations
+1
vote
1
answer
Let * be a binary operation on Q0 (set of non-zero rational numbers) defined by a * b =
asked
Feb 19, 2019
in
Class 12
by
kratos
binomial theorem
class-12
binary operations
+3
votes
1
answer
Let * be a binary operation on Z defined by x * y = x^2 + y^2 + xy; x, y ∈ Z. The value of [(1 * 2) + (0 * 3)]2 is
asked
Feb 15, 2019
in
Class 12
by
kratos
class-12
binary operations
bseb model set
binomial theorem
+2
votes
1
answer
If the binary operation *, defined on Q, is defined as a * b = 2a + b - ab, for all a, b ∈ Q, find the value of 3 * 4 .
asked
Feb 3, 2019
in
Class 12
by
kratos
cbse
relations and functions
binary operations
binomial theorem
class-12
+2
votes
1
answer
Let A = {5,6}; how many binary operations can be defined on this set? (a) 8 (b) 10 (c) 16 (d) 20
asked
Jan 26, 2019
in
Class 12
by
kratos
class-12
bseb model set
binary operations
+3
votes
1
answer
Let X be a nonempty set and let P(X) denote the collection of all subsets of X. Define
asked
Jan 15, 2019
in
Class 12
by
kratos
class-11
kvpy
binary operations
php function and array
class-12
+1
vote
1
answer
Let A = N × N and '*' be a binary operation on A defined by (a, b) * (c, d) = (ad + bc, bd). Show that (A, *) has no identity element.
asked
Jan 3, 2019
in
JEE
by
kratos
cbse
jee
relations and functions
jee mains
binary operations
class-12
+3
votes
1
answer
The binary operation * : R × R→R is defined as a * b = 2a + b. Find (2 * 3) * 4
asked
Dec 29, 2018
in
Class 12
by
kratos
isc
relations and functions
icse
binary operations
class-12
+2
votes
1
answer
The impedance parameters Z11 and Z12 of the two-port network in the figure are
asked
Dec 21, 2018
in
JEE
by
kratos
jee
gaseous state
jee mains
binary operations
class-12
complex numbers
+2
votes
1
answer
Define Binary Operation.
asked
Nov 26, 2018
in
Class 12
by
kratos
class-12
binary operations
+2
votes
1
answer
Let * be a binary operation on Z × Z defined by (a, b) * (c, d) = (a + c, b + d); (a, b), (c, d) ∈ Z × Z. Find (1, 2) * (3, 5) and (4, 3) * (1, 0).
asked
Nov 24, 2018
in
JEE
by
kratos
jee
jee mains
binary operations
binomial theorem
class-12
+2
votes
1
answer
Determine whether or not each of the definition of given below gives a binary operation
asked
Nov 19, 2018
in
Class 12
by
kratos
class-12
binary operations
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