Question

if x=-3/7 and y=-5/4,varify that |x+y|=|x| +|y| and |x*y| =|x|* |y|​

Answer 1

Step-by-step explanation:

(x+y)=(-x)+(-y)

-

( \frac{ - 3}{4} ) + ( \frac{ - 6}{7} ) = ( - ( \frac{ - 3}{4} ) + ( - ( \frac{ - 6}{7} ))(

4

−3

)+(

7

−6

)=(−(

4

−3

)+(−(

7

−6

))

if the solution is equal on both hand side than it is verifying