step by step. make the math bro.
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1). ( ax^2 - ay^2 ) / (ax + ay)
= a( x - y ) ( x + y ) / a( x + y) ( by using a a^2 - b^2 = (a - b )( a + b )
= x - y
2) ( x^4 - y^4 ) / x^2 - y^2
= (x^2 - y^2)( x^2 + y^2) /( x^2 - y^2)
= (x^2 + y^2)
HOPE IT HELPS YOU
= a( x - y ) ( x + y ) / a( x + y) ( by using a a^2 - b^2 = (a - b )( a + b )
= x - y
2) ( x^4 - y^4 ) / x^2 - y^2
= (x^2 - y^2)( x^2 + y^2) /( x^2 - y^2)
= (x^2 + y^2)
HOPE IT HELPS YOU
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