Question

The sum
sum of x²-y² and y² - x² is​

Answer 1

Step-by-step explanation:

x²-y²+y²-x²

=1......[(-) and (+) gets cancelled!!]

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Answer 2

Step-by-step explanation:

the difference of squares, x²-y² can be factored as the product of the sum and difference of two terms or x²-y² = (x+y) (x-y)

y²-x² = (y+x) (y-x)