1.

4x²-y²/25, Factorise it using appropriate identities.

Answer» SOLUTION :

GIVEN 4x² - y²/25

= ( 2X )² - ( y/5 )²

= ( 2x + y/5 )( 2x - y/5 )

[ SINCE , a² - b² = ( a + B )( a - b ) ]

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