Question

What is multiplactive inverse of -7

Answer 1

Answer:

multiplicative inverse of -7 is 1/-7

But the denominator can't be negative so multiply -1 to both the numerator and denominator

1*-1/-7*-1

-1/7 is the right answer

Hope it helps ✌✌

Answer 2

Answer:

Multiplicative inverse,

−

1

7

Step-by-step explanation:

Let the multiplicative inverse be

b

.

Then

a

⋅

b

=

1

⇒

−

7

⋅

b

=

1

Multiplying both sides with

−

1/7

b=−1/7