Identity in Binary Operation

Q.

Identity of zero under multiplication is zero, because 0 ${}^{\ast }$ 0 = 0 = 0 ${}^{\ast }$ 0

1. True

2. False

Q.

Identity of the binary operation subtraction is 0

1. False

2. True

Q.

Find the identity of the operation a ${}^{\ast }$ b = $\frac{ab}{4}$

1. 1

2. 0

3. 2

4. 4

Q. The identity of the binary operation * defined by $a\ast b=\frac{ab}{4}$ is equal to.

1. 1
2. 2
3. 4

Q. If e is the identity of a binary operation *,
then $a\ast e=e\ast a=a$

1. True
2. False

Q.

Identity of the binary operation subtraction is 0

1. True

2. False

Q.

Find the identity of the operation a ${}^{\ast }$ b = $\frac{ab}{4}$

1. 2

2. 0

3. 4

4. 1

Q.

Identity of zero under multiplication is zero, because 0 ${}^{\ast }$ 0 = 0 = 0 ${}^{\ast }$ 0

1. True

2. False

Q.

Identity of the binary operation subtraction is 0

1. True

2. False

Q.

Identity of zero under multiplication is zero, because 0 ${}^{\ast }$ 0 = 0 = 0 ${}^{\ast }$ 0

1. True

2. False