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Well, x^2 =xy
x(x-y)=0
so,
x=0
x=y
Now, it is said that x and y are different so x=0

So A is true,

Now to eliminate others,
y cannot be 0 as the equation only holds good when X is also 0. So 2 is not always true.
And x=-y is also not true for different values of x and y

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Booth allows you flexibility to communicate in whatever way you see fit. That means you can write yet another boring admissions essay or get creative and submit a poem...