Question

name the property used in the following

-9/3×1=1×-9/5=-9/5
a) Associativity
b) multiplicative identity
c)commutativity
d)none​

Answer 1

Answer:

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Answer 2

Answer:

The multiplicative inverse for any number n is

n

1

. The product of a number and its multiplicative inverse is 1.

Let us take a number n=

29

−19

, then according to the defination, the multiplicative inverse of n is

n

1

=

29

−19

1

=

−19

29

⎩

⎪

⎪

⎨

⎪

⎪

⎧

∵

x

1

1

=

1

x

⎭

⎪

⎪

⎬

⎪

⎪

⎫

Now consider the product of n and

n

1

as follows:

29

−19

×

−19

29

=1

Therefore, the product of n and

n

1

is 1

Hence, multiplicative inverse property is used in

29

−19

×

−19

29

=1