Question

Verify that (x*y) - 1 is not equal to x-1 * y-1 by taking x = - 2/3 , y= -3/4 pls tell fast.. It's very much urgent!!! ​

Answer 1

Answer:

YEs

Step-by-step explanation:

Answer 2

Step-by-step explanation:

xy-1 is not equal to (x-1)(y-1)

x=-2/3 ;y = -3/4

-2/3*-3/4-1 is not equals to (-2/3-1)(-3/4-1)

1/2-1 is not equals to (-5/3)(-7/4)

-1/2 is not equal to 35/12

hence proved

xy-1 is not equals to (x-1)(y-1)