Question

Find the value of x2-y2 , when x-1,y-1

Answer 1

Answer:

0

Step-by-step explanation:

${x}^{2} - {y}^{2}$

${( - 1)}^{2} - {( - 1)}^{2}$

$1 \: - \: 1$

$0$

Answer 2

Answer:

0

Step-by-step explanation:

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