If ☉ denotes a mathematical operation, does
x☉y=y☉x for all x and y?
(1) For all x and y, x☉y = 2(x² + y²).
(2) For all y, 0☉y = 2 y²
Highlight to see answer: A
Please post your explanations in the comments below!
If ☉ denotes a mathematical operation, does
x☉y=y☉x for all x and y?
(1) For all x and y, x☉y = 2(x² + y²).
(2) For all y, 0☉y = 2 y²
Highlight to see answer: A
Please post your explanations in the comments below!