Question

verify that (x*y) -1 = x-1 × y-1 by taking x = -2/3 and y = -3/4​

Answer 1

Answer:

35/12

Step-by-step explanation:

(x*y)-1=x-1*y-1

= -2/3-1 × -3/4-1

= -2-3/3 × -3-4/4

= -5/3 × -7/4

= 35/12 (ans)