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mafiozo [28]
3 years ago
13

(1). 1-a^2+2ab-b^2(2). a^2-2ab+x^2+ 2xy-y^2​

Spanish
1 answer:
alexandr402 [8]3 years ago
8 0

Answer:

Los términos anteriores se pueden escribir como,

( x  

2

+2 x y+y  

2

)-( un  

2

+2 a b+B  

2

)

Lo sabemos ( un+b )  

2

=a  

2

+2 a b+B  

2

 y ( un-b )  

2

=a  

2

-2 a b+B  

2

 

( x  

2

-( 2×X×y )+y  

2

)-( un  

2

+( 2×a×b )+B  

2

)

( x-y )  

2

-( un+b )  

2

 

Lo sabemos , a  

2

-B  

2

=( un+b ) ( un-b )

[ ( x-y )+( un+b ) ] [ ( x-y )-( un+b ) ]

( x-y+a+b ) ( x-y-a-b )

Explanation:

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