Math, asked by shaikhn1ood, 1 month ago

ADD:
x2-y2-1, y2-1-x2, 1-x2-y2

Answers

Answered by khannusaiba11
1

Answer:

x²- y²-1

-x²+y²-1

-x²- y²+1

=-x²-y²-1

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