Math, asked by monikasharma8288, 10 months ago

Factorise (1-xsquare)(1-y square)+4xy​

Answers

Answered by rmtiwari2011
1

Answer:

1 -  {y}^{2}  -   {x}^{2} +  {x}^{2}  {y}^{2}  + 4xy

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