Math, asked by anujnishad332, 11 months ago

factories. (1-x^2)(1-y^2)+4xy​

Answers

Answered by Anonymous
3

Step-by-step explanation:

Using identity : ( a^2 - b^2 ) = ( a + b ) ( a - b ). = ( 1 + xy + x - y ) ( 1 + xy - x + y ).

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