1.

16x²+24xy+9y², Factorise it using appropriate identities.

Answer» SOLUTION :

Given EXPRESSION is

16x² + 24xy + 9y²

= ( 4X )² + 2 * ( 4x ) * ( 3y ) + ( 3y )²

= ( 4x + 3y )²

[ By algebraic identity ,

a² + 2ab + b² = ( a + b )² ]

= ( 4x + 3y )( 4x + 3y )

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