Question

Vă rog ajutati-ma cu tema la mate!

Answer 1

6
|x|= 25/4
|y| = 4/3
|x| ×|y| = 25/4× 4/3 = 25/3
x×y = -25/4× 4/3 = -25/3

|x| = 5/8
|y| = 6,3
|x| × | y| = 5/8= 63/10 = 63/16
x×y = -5/8(-63/10) = + 5/8 × 63/10 = 63/16

| x| = 0,1
|y| = -5/3
| x| × | y| = 1/10× 5/10 = 1/6
x×y= 1/10×(-5/10) =- 1/10× 5/3 = -1/6

|x| = 6
| y| = 4/21
|x| × | y| = 6/1× 4/21 = 8/7
x×y= 6×(-4/21) = -8/7

|x|= 5
|y|= 3/5
|x|×|y|= 5/1×3/5= 3
x×y= -5/1× (-5/3) = 3

| x| = 4/9
| y| = 3/16
|x|×|y|= 4/9× 3/16 = 1/12
x×y= -4/9×(-3/16) = 1/12

|x| = 4/33
|y| = 27/8
|x|×|y|= 4/33×27/8 = 9/22
x×y = -4/32×(27/-8 ) = 9/22

|x| = 4/3
|y| = 6/8
|x| × | y|= 4/3×6/8= 2/2 = 1
x× y= -4/-3× (-6/-8) = 2/2 = 1