1.

PLEASE FACTORISE THIS SUM : a^3x^3-3a^2bx^2+3ab^2x-b^3

Answer»

Hi ,

It is GIVEN that ,

a³x³ - 3a²bx² + 3ab²x - b³

= ( AX )³ - 3 × ( ax )² b + 3 × ax × b² - b³

= ( ax - b )³

= ( ax - b )( ax - b ) ( ax - b )

I HOPE this helps you.

: )


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