Question

Find the multiplicative inverse of a) − 3/ 11 × 1/ 5 b) − 1/ 3 × − 4 /7?

Answer 1

Answer:

Correct option is

A

4

33

Multiplicative inverse of

b

a

is

a

b

3

5

+

11

−17

=

33

4

So, multiplicative inverse of

33

4

is

4

33

Answer 2

Answer:

a) -55/3,b) 21/4

Step-by-step explanation:

At first -3×1=-3, 11×5=55, - 1×-4=4,3×7=21