Question

please answer these all questions here

Multiplicative inverse of -3/4 × 12/21 is

-3/7
-7/3
3/7
7/3

Additive inverse of -1/2 + 3/4 is

1/4
-1/4
2/4
0
The product of a rational number and its multiplicative inverse is always

0
1
-1
None of these​

Answer 1

Answer:

I)-7/3

ii)-1/4

iii) 1

plz follow and like it

Answer 2

Answer:

1)-3/4.12/21=-3/7

2)-1/2+3/4=1/4

3) 1