From the sum of x^2−y^2−1, y^2−x^2−1 and 1−x^2−y^2, subtract −(1+y^2).

Rishi Alvarado

Rishi Alvarado

Answered question

2022-12-30

From the sum of x^2−y^2−1, y^2−x^2−1 and 1−x^2−y^2, subtract −(1+y^2).

Answer & Explanation

teilwriybz

teilwriybz

Beginner2022-12-31Added 5 answers

( x 2 y 2 1 , y 2 x 2 1 ) + ( 1 x 2 y 2 ) = x 2 y 2 1 + y 2 x 2 1 + 1 x 2 y 2 = ( x 2 x 2 x 2 ) + ( y 2 + y 2 y 2 ) + ( 1 1 + 1 ) = x 2 y 2 1 = x 2 y 2 1 [ ( 1 + y 2 ) ] = x 2 y 2 1 + ( 1 + y 2 ) = x 2 y 2 1 + 1 + y 2 = x 2 y 2 + y 2 1 + 1 = x 2

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